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Author Question: A lawn mower manufacturer claims that one of its new gas-powered lawn mowers will run for 2 hours ... (Read 300 times)

daltonest1984

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on: Jun 24, 2018
A lawn mower manufacturer claims that one of its new gas-powered lawn mowers will run for 2 hours and 40 minutes on 1 quart of gasoline. If the claim is true, how long should this lawn mower run on 3 1/2 quarts of gasoline? 40 minutes is 2/3 of an hour.

Question 2

Devon Gillies is a college student who is working as a laborer for a landscape company during the summer. Before the first paycheck, the owner loaned Devon 1,00 . for 30 days at 5 ordinary simple interest. Compute the total amount that Devon will need to repay the owner when he gets paid after 30 days. (Use a 360-day year.)


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alvinum

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Reply #1 on: Jun 24, 2018
Answer to Question 1

2 2/3  3 1/2 = 8/3  7/2 = 28/3 = 9 1/3 hours or 9 hours and 20 minutes

Answer to Question 2

1,00 .  0.05  30/360 = 4.17; 1,00 . + 4.17 = 1,004.17


daltonest1984

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Reply #2 on: Jun 24, 2018
Correct answers!


alvinum

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Reply #3 on: Jun 24, 2018
Great! Please up vote :D


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