Q: Bob has planted corn in his garden, and it has just started to sprout. A week after planting it, it had grown 2 inches. The next week, its height increased by twice as much as it had the first week. In the third week, it grew 4 times as much as it did the week before. How tall are the corn plants now?
A: The second week it grew twice as much as the first week, so 2 * 2 inches = 4 inches. The third week it grew 4 times as much as in the second week, so 4 * 4 inches = 16 inches. In total, it grew 2 inches + 4 inches + 16 inches = 22 inches. The answer is 22.
Question: Rick has just celebrated his 15th birthday. His oldest brother is twice his age, and his middle brother is a third of the oldest brother’s age. The smallest brother is half the middle brother’s age. If the youngest brother is 2 years younger than the smallest brother, how old, in years, is the youngest brother?
Answer: Rick’s oldest brother is 15 years * 2 = 30 years old. This means the middle brother is 30 years / 3 = 10 years old. The smallest brother is therefore 10 years / 2 = 5 years old. So the youngest brother is 5 years – 2 years = 3 years old. The answer is 3.
[Question]Melissa sells a coupe for $30,000 and an SUV for twice as much. If her commission is 2%, how much money did she make from these sales?
[Answer]First find the total cost of the SUV: $30,000 * 2 = $60,000. Then add the cost of the coupe to find the total cost of the cars: $60,000 + $30,000 = $90,000. Multiplying that amount by Melissa's commission rate, we find her earnings are $90,000 * 2% = $1800. The answer is 1800.
Q: Ariel began fencing in 2006. If she was born in 1992 and has been fencing for 16 years, how old is she now?
A: If Ariel was born in 1992, she started fencing when she was 2006 - 1992 = 14 years old. Since she's been fencing for 16 years now, Ariel is 14 + 16 = 30 years old. The answer is 30.
Question: Janet takes two multivitamins and 3 calcium supplements every day for the first 2 weeks of the month. For the last two weeks of the month, she runs low on calcium supplements and only takes one per day. How many pills does Janet take in that month?
Answer: First find the number of pills Janet takes every day for the first 2 weeks: 2 pills / day + 3 pills / day = 5 pills / day. Then find the number of days in 2 weeks: 2 weeks * 7 days / week = 14 days. Then multiply that number by the number of pills she takes daily to find the total number of pills she takes in the first 2 weeks: 5 pills / day * 14 days = 70 pills. Then find the number of pills Janet takes every day for the last 2 weeks: 2 pills / day + 1 pill / day = 3 pills / day. Then multiply that number by the number of days in 2 weeks to find the total number of pills she takes in the last 2 weeks: 3 pills / day * 14 days = 42 pills. Then add the number of pills she took in the first and last two weeks to find the total number of pills she took: 42 pills + 70 pills = 112 pills. The answer is 112.
Q: On Friday, Markeesha sold 30 boxes of crackers for her scout troop's fundraiser. On Saturday, she sold twice as many as on Friday. On Sunday, she sold 15 fewer than Saturday. How many boxes did she sell over the three days?
A:
On Saturday, she sold 2 * 30 = 60 boxes. On Sunday, she sold 60 - 15 = 45 boxes. She sold a total of 30 + 60 + 45 = 135. The answer is 135.