Question: Dorothy, Julia, and Robert go to the store to buy school supplies. Dorothy buys half as many pens as Julia. Julia buys three times as many pens as Robert. Robert buys 4 pens. If one pen costs $1.50, how much money did the three friends spend in total on pens?
Answer: Step-by-step reasoning process: Julia buys 4 * 3 = 12 pens. Dorothy buys 12 / 2 = 6 pens. The total number of pens purchased is 4 + 12 + 6 = 22 pens. The total cost of the pens is 22 * $1.50 = $33.
So the answer is 33.

Question: John has to pay taxes. He earned $100,000 for the year. He has $30,000 in deductions. The first $20,000 of taxable income is taxed at 10%. The rest is taxed at 20%. How much does he pay in taxes?
Answer: Step-by-step reasoning process: His taxable income is 100,000 - 30,000 = $70,000. So he pays 20,000 * .1 = $2000 tax at the lower rate. He has to pay 70,000 - 20,000 = $50,000 at the higher rate. The taxes for that is 50,000 * .2 = $10,000. So his total tax bill is 10,000 + 2,000 = $12,000.
So the answer is 12000.

Question: An apple tree can fill 20 baskets. Each basket can be filled with 15 apples. How many apples can you get from 10 trees?
Answer: Step-by-step reasoning process: You can get 20 x 15 = 300 apples per tree. So a total of 300 x 10 = 3000 apples can be gotten from 10 trees.
So the answer is 3000.

Question: A group of six friends planned to buy a car. The cost of the car is $1700 and they plan to share the cost equally. They had a car wash to help raise funds, which would be taken out of the total cost. The remaining cost would be split between the six friends. At the car wash, they earn $500. However, Brad decided not to join in the purchase of the car. How much more does each friend have to pay now that Brad isn't participating?
Answer:
Step-by-step reasoning process: Start by finding the total that is left, $1700 car price - $500 earned at car wash = $1200 remaining. So the six friends should pay $1200 / 6 people = $200 each. Since Brad is not joining, then the 5 friends have to split Brad's share which is $200 / 5 = $40 each.
So the answer is 40.