Oliver has 10 $20 and 3 $5 bills. William has 15 $10 and 4 $5 bills. How much more money does Oliver have than William? Give the rationale and then the answer.
Let's think step by step. Oliver's $20 bills amount to $20 x 10 = $200. Oliver's $5 bills amount to $5 x 3 = $15. So, Oliver has a total of $200 + $15 = $215. William's $10 bills amount to $10 x 15 = $150. William's $5 bills amount to $5 x 4 = $20. So, William has a total of $150 + $20 = $170. Therefore, Oliver has $215 - $170 = $45 more than William.. The answer is: 45.

Holly wants to plant a wall of privacy trees along her fence line. Her fence is 25 yards long. At maturity, the trees she wants to plant will measure 1.5 feet wide. Right now, these trees are on sale for $8.00 apiece. How much will it cost her to plant a row of the trees to run the length of her fence? Give the rationale and then the answer.
Let's think step by step. 3 feet are in 1 yard and her fence is 25 yards long so her fence is 3 * 25 = 75 feet long. At maturity these trees will measure 1.5 feet and she needs them to run along her 75 - foot fence so she needs 75 / 1.5 = 50 trees. The trees cost $8.00 apiece and she needs 50 so 8 * 50 = $400.00 worth of trees.. The answer is: 400.

Jamie earns $10 an hour by delivering flyers. She delivers flyers 2 days each week. It takes her 3 hours each time she delivers flyers. After delivering flyers for 6 weeks, how much money will she have earned? Give the rationale and then the answer.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Let's think step by step. She spends 2 * 3 hours = 6 hours per week delivering flyers. She has spent a total of 6 hours / week * 6 weeks = 36 hours delivering flyers. She has earned a total of 36 hours * $10 / hour = $360.. The answer is: 360.