[Question]: Sally sews 4 shirts on Monday, 3 shirts on Tuesday, and 2 shirts on Wednesday. Each shirt has 5 buttons. How many buttons does Sally need to sew all the shirts?
[Answer]: Total number of shirts Sally sews is 4 + 3 + 2 = 9 shirts. The total number of buttons she needs is 9 x 5 = 45 buttons.
So the answer is 45.

[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.
So the answer is 112.

[Question]: Jon makes 3/4's the salary that Karen makes. John makes $3000 per month. How long will it take him to make the same amount of money that Karen does in 3 months?
[Answer]:
Karen makes $3000 / (3 / 4) = $4000 per month. In three months, Karen would make a total of $4000 * 3 = $12000. To make the same amount of money John would need to work $12000 / $3000 = 4 months.
So the answer is 4.