Question: Rory collects rainwater. He has 100 L of rainwater in his tank. During a heavy rainstorm, water flows into the tank at a rate of 2 L/min for 90 minutes. How much water is in the tank at the end of the heavy rain?
Answer: During the heavy rain, the tank collects 2 * 90 = 180 L of water. The tank has a total of 100 + 180 = 280 L of water. The answer is 280.
[Question]Mike is saving up to buy a house. He puts away 10% of his $150,000 a year salary. He needs to save up 20% of the cost of a $450,000 house for a downpayment. How long will it take?
[Answer]He saves 150,000 * .1 = $15,000 per year. He needs 450,000 * .2 = $90,000. So he needs to save for 90,000 / 15,000 = 6 years. The answer is 6.
Q: Jodi starts off walking 1 mile a day for 6 days a week. On the second week, she walks 2 miles a day, 6 days a week. On the third week, she walks 3 miles a day, 6 days a week. Finally on the fourth week, she walks 4 miles a day, 6 days a week. How many miles has she walked in 4 weeks?
A: The first week she walked 1 mile, 6 days a week for a total of 1 * 6 = 6 miles. The second week she walked 2 miles, 6 days a week for a total of 2 * 6 = 12 miles. The third week she walked 3 miles, 6 days a week for a total of 3 * 6 = 18 miles. On the fourth week, she walked 4 miles, 6 days a week for a total of 4 * 6 = 24 miles. Over four weeks she has walked 6 + 12 + 18 + 24 = 60 miles. The answer is 60.
Question: Mark builds an apartment that is 16 by 10 feet. There are 6 rooms in total. All the rooms are the same size except the living room which is as big as 3 other rooms. How big is the living room?
Answer: Total square footage is 16 * 10 = 160 square feet. . There are 3 + 3 = 6 rooms. 6 - 1 = 5 of them are the same size. If x is the size of the normal room then the square footage of all rooms is 5x + 3x = 8x. So each room is 160 / 8 = 20 square feet. So the living room is 20 * 3 = 60 square feet. The answer is 60.
[Question]John buys 3 dress shirts. They sell for $20 each. He also has to pay 10% tax on everything. How much did he pay in total?
[Answer]The shirts cost 3 * $20 = $60 before tax. The tax cost $60 * .1 = $6. So in total they paid $60 + $6 = $66. The answer is 66.
[Question]On a weekend road trip, the Jensen family drove 210 miles on highways, where their car gets 35 miles for each gallon of gas and 54 miles on city streets where their car gets 18 miles for each gallon. How many gallons of gas did they use?
[Answer]
On highways, the Jensen family used 210 miles / 35 miles / gallon = 6 gallons of gas. On city streets, the Jensen family used 54 miles / 18 miles / gallon = 3 gallons of gas. Total, the Jensen family used 6 gallons + 3 gallons = 9 gallons of gas. The answer is 9.