[Question]John was 66 inches tall. He had a growth spurt and grew 2 inches per month for 3 months. How tall is he in feet?
[Answer]He gained 2 * 3 = 6 inches. So his height is 66 + 6 = 72 inches. So he is 72 / 12 = 6 feet tall. The answer is 6.
Q: Charles can earn $15 per hour when he housesits and $22 per hour when he walks a dog. If he housesits for 10 hours and walks 3 dogs, how many dollars will Charles earn?
A: Housesitting = 15 * 10 = 150. Dog walking = 22 * 3 = 66. Total earned is 150 + 66 = $216. The answer is 216.
Question: Jackson wants to impress his girlfriend by filling her hot tub with champagne. The hot tub holds 40 gallons of liquid. Each bottle of champagne holds 1 quart. (There are 4 quarts per gallon). If each bottle of champagne costs $50, but Jackson gets a 20% volume discount, how much does he spend on champagne?
Answer: First find the number of quarts the hot tub holds by multiplying the number of gallons it holds by 4: 40 gallons * 4 quarts / gallon = 160 quarts. Then multiply the number of quarts of champagne Jackson buy by the normal price per bottle to find the cost before the discount: 160 quarts * $50 / quart = $8000. Then multiply that number by 20% to find the amount of the discount: $8000 * .2 = $1600. Finally, subtract the discount from the total cost to find the final amount Jackson pays: $8000 - $1600 = $6400. The answer is 6400.
[Question]Nancy carves statues out of jade. A giraffe statue takes 120 grams of jade and sells for $150. An elephant statue takes twice as much jade and sells for $350. If Nancy has 1920 grams of jade, how much more money will she make turning it all into elephants instead of giraffes?
[Answer]First find how many giraffe statues Nancy can make by dividing the total amount of jade by the amount used per giraffe statue: 1920 g / 120 g / giraffe = 16 giraffes. Then multiply that number by the price per giraffe to find how much Nancy earns total from giraffes: 16 giraffes * $150 / giraffe = $2400. Then find how much jade each elephant statue uses by doubling the jade used by the giraffe statues: 120 g / giraffe * 2 = 240 g / elephant. Then find how many elephant statues Nancy can make by dividing the total amount of jade by the amount used per elephant statue: 1920 g / 240 g / elephant = 8 elephant. Multiply that number by the price per elephant to find Nancy's total earnings from elephants: 8 elephants * $350 / elephant = $2800. Finally, subtract Nancy's total earnings from the giraffes from her total earnings from the elephants to find the difference: $2800 - $2400 = $400. The answer is 400.
Q: Harrison buys a regular croissant on Saturdays for $3.50 and an almond croissant for $5.50 on Sundays. How much does he spend on croissants in a year?
A: He buys a plain croissant for $3.50 and an almond croissant for $5.50 for a total of $3.50 + $5.50 = $9.00 on pastries per weekend. In one year, which is 52 weeks, he spends 52 * $9 = $468.00 on pastries. The answer is 468.
Question: Tony puts $1,000 in a savings account for 1 year. It earns 20% interest. He then takes out half the money to buy a new TV. The next year, the remaining money earns 15% interest. How much is now in the account?
Answer:
After one year he earns $200 in interest because 1,000 x .2 = 200. After one year it has $1,200 in the account because 1,000 + 200 = 1,200. He takes out $600 because 1,200 / 2 = 600. After this it has $600 in it because 1,200 - 600 = 600. She earns $90 in interest because 600 x .15 = 90. The account now has $690 because 600 + 90 = 690. The answer is 690.