I added another word problem to the English musical numbers word_problems file.

01c: FORMULA: VAR1*((VAR2*2)/VAR3) VARIABLES: 3 PROB: If you drive VAR1[INT,1,25]VAR1 times per month to school, and each trip is VAR2[FLOAT,1,10]VAR2 miles each way, and your vehicle gets an average of VAR3[FLOAT,10,60]VAR3 miles per gallon, how many gallons of gas do you need in one month?

02c: FORMULA: VAR1*VAR2 VARIABLES: 2 PROB: If you eat VAR1[INT, 1,6]VAR1 slices of pizza, and each slice has VAR2[INT,100,300]VAR2 calories, how many calories do you have to burn to work off the pizza?

03c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 2 PROB: If you have to spend VAR1[INT, 1,5]VAR1 hours taking care of your dog in order to get a movie ticket, and each session with the dog is VAR2[INT,1,30]VAR2 minutes, how many sessions with your dog do you need to do before you can go to the movies?

04c: FORMULA: VAR3*VAR2*VAR1+VAR1*VAR2 VARIABLES: 3 PROB: If there are VAR1[INT,-30,30]VAR1 percent more African Americans in US colleges than in prison, and there are VAR2[INT,10,30]VAR2 million African Americans in the US and 1 in VAR3[INT,1,25]VAR3 African Americans is currently behind bars, how many African Americans are in college the US?

05: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 3 PROB: If grass requires VAR1[FLOAT, 0,3]VAR1 inches of rain per week to survive, and 10 goats requires VAR2[FLOAT,1,3]VAR2 acres of grass to graze, how many inches of rain is required to sustain VAR3[INT,1,100]VAR3 goats?

06c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 2 PROB: If the territory of a specific bird is VAR1[INT, 10,100]VAR1 acres and it shrinks by VAR2[FLOAT,1, 90]VAR2 %, how many acres are left in its territory?

07c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 2 PROB: If VAR1[INT, 5000,50000]VAR1 animals are currently in US animal shelters, and animals are adopted at a rate of VAR2[FLOAT, 0, 20]VAR2 thousand per week, how many days would it take before all animals were adopted if no more animals came in?

08c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 3 PROB: If your running time improves by VAR1[FLOAT, 0, 1]VAR1% every time you work out and you work out every other day, how many days are required before your running time drops from a VAR2[FLOAT, 12, 16]VAR2 minute mile to a VAR3[FLOAT, 2, 6]VAR3 minute mile?

09c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 4 PROB: If you increase the room temperature by VAR1[INT, 1, 3]VAR1 degrees on the thermostat in the summer, and every degree corresponds to VAR2[INT, 50, 200]VAR2 joules/sec, how many trees will you save in VAR3[INT,1,30]VAR3 days, if one tree is the carbon-energy equivalent of VAR4[INT, 20,70]VAR4 mega-joules?

10c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 3 PROB: If a gray whale migrates from Alaska to Mexico travelling a distance of VAR1[INT, 4500, 6500]VAR1 miles in VAR2[INT,60,120]VAR2 days to give birth to a calf, and then migrates back up the coast back to Alaska with the calf at VAR3[INT, 20, 80]VAR3 percent of its original speed, how many days will the round trip take?

11c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 6 PROB: If VAR1[INT, 2, 50]VAR1% of your potato crop will be destroyed by bugs, and you plant VAR2[INT, 40, 500]VAR2 potato plants, each of which is expected to produce VAR3[INT, 3, 16]VAR3 potatoes that weigh VAR4[FLOAT, 0, 1]VAR4 pounds, how many days will the harvest feed VAR5[INT,1,10]VAR5 people if 50 pounds of potatoes feeds VAR6[INT,50,150]VAR6 people for a day ?

12c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 6 PROB: A VAR1[INT, 3000, 6000]VAR1 Watt water heater is the primary source of energy consumption in a household that does not heat during the winter and only uses air conditioning in one room during the summer. The heater consumes the energy equivalent of VAR2[INT, 82, 160]VAR2 gallons of gas per year (30% of household energy). How many round-trip medical trips of VAR3[INT,5,40]VAR3 miles each way in a VAR4[INT, 10,40]VAR4 mpg vehicle, will turning off the hot water heater for the warmest VAR5[INT,3,8]VAR5 months of the year provide in one year, assuming that the energy of heating the water during these summer months is VAR6[INT, 50, 80]VAR6 % of what it is during the winter?

13c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 4 PROB: If you pick up VAR1[INT, 0, 12]VAR1 quarters (25 cents), VAR2[INT, 0, 20]VAR2 dimes (10 cents), VAR3[INT, 0, 20]VAR3 nickels (5 cents), and VAR4[INT, 0, 200]VAR4 pennies (1 cent), how many dollars-worth of change do you have (100 cents in a dollar)?

14c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 7 PROB: Your local animal shelter has a euthanasia rate of VAR1[INT, 0, 12]VAR1 cats per week of those that enter, and VAR2[INT, 2, 20]VAR2 cats/day are brought into the shelter with an adoption rate of VAR3[INT, 10, 80]VAR3 percent of those that enter. VAR4[INT, 0, 120]VAR4 cats are currently at the shelter. How many cats will there be at the shelter in VAR5[INT, 1,30]VAR5 days if the euthanasia rate is lowered by VAR6[INT, 0, 100]VAR6 % and the adoption rate is raised by VAR7[INT, 0, 100]VAR7 %.

15c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 8 PROB: Your stride length is VAR1[INT, 12,40]VAR1 inches. It takes you VAR2[FLOAT, 2, 4]VAR2 minutes and VAR3[INT, 100, 400]VAR3 steps to walk around the perimeter of your yard, and VAR4[FLOAT,1,3]VAR4 times as long to push a lawn mower with a VAR5[INT, 16, 70]VAR5″ blade around the perimeter. Your first pass around the yard with the mower cuts the entire blade range leaving a VAR6[INT, 0, 5]VAR6 inch “dead area”. How many hours will it take you to mow the lawn in a circular fashion assuming that each subsequent pass around the yard cuts VAR7[INT, 60, 80]VAR7% of the blade length, and that your speed decreases by VAR8[FLOAT, 1,4]VAR8 % with each pass?

16c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 8 PROB: You cook on the average VAR1[FLOAT, 0, 3]VAR1 times a day, for an average of VAR2[INT, 30, 100]VAR2 minutes/time when you use your big cooking oven. A cooking oven is VAR3[INT, 15,40]VAR3 times the size of a toaster oven, requiring on the average VAR4[INT, 1000, 2000]VAR4 Watts/sec of use. An electric radiator uses VAR5[INT, 1200, 2400]VAR5 Watts/sec. Assuming that the energy use of the oven is proportional to its volume and that the toaster oven needs VAR6[FLOAT, 5, 20]VAR6% of the time that the main oven needs to cook, how many hours of the day can you use the radiator in a room if you heat for VAR7[INT, 1, 5]VAR7 “30-day” months with the energy saved by using a toaster oven VAR8[INT, 2, 10]VAR8 times more often than you use the main oven for a year?

17c: FORMULA: VAR1*VAR2*2/VAR3 VARIABLES: 9 PROB: You are squatting in a trailer connected to a VAR1[INT, 750, 1200]VAR1 gallon septic system with VAR2[INT, 0, 10]VAR2 other people. Although there is enough electricity for a little water pump, the power to the sewage system water pump has been disconnected. The faucets have been turned down so that the water flows at a rate of VAR3[FLOAT, 0, 2]VAR3 gallons/min. Assuming an average washing time of VAR4[FLOAT, 0, 5]VAR4 minutes per person/day, VAR5[FLOAT, 0, 10]VAR5 minutes per person/day for cooking and cleaning, VAR6[FLOAT, 0, 5]VAR6 flushes per person/day with a VAR7[FLOAT, 1, 6]VAR7 gallon toilet, and VAR8[FLOAT,0,1]VAR8 loads of laundry per day in a VAR9[INT, 18, 55]VAR9 gallon per load washing machine, how many days before the sewage system is full?