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Author Question: A house painter uses about 2 1/2 quarts of paint per hour on a specific type of wooden exterior ... (Read 87 times)

vicky

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on: Jun 24, 2018
A house painter uses about 2 1/2 quarts of paint per hour on a specific type of wooden exterior trim. For an 8-hour day, the painter's preparation work is 3/4 of an hour, with 1/2 hour for cleanup. If the person paints the remainder of the 8 hours, compute the number of quarts of paint that will be used.

Question 2

David Brown borrowed 2,225 at 7 ordinary simple interest for 190 days. Compute the total amount that David will have to pay on the due date. (Use a 360-day year.)


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matt

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

3/4 + 1/2 = 3/4 + 2/4 = 5/4 = 1 1/4 hours;
8 - 1 1/4 = 7 4/4 - 1 1/4 = 6 3/4 hours;
6 3/4  2 1/2 = 27/4  5/2 = 135/8 = 16 7/8 quarts

Answer to Question 2

2,225  0.07  190/360 = 82.20; 2,225 + 82.20 = 2,307.20


vicky

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

ghepp

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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