survey of mathematics

timer Asked: Jul 10th, 2014
account_balance_wallet $5

Question Description

Bob wishes to put the mulch in a pit in the shape of a rectangular solid 20 ft long, 15 ft wide, and 9 in deep.

a) the volume, in cubic feet, of mulch Bob will need?

b) If mulch costs $11 per cubic foot, what will the cost of the mulch be?

Tutor Answer

Alex Z
School: Cornell University

a) 20 x 15 x .75 = 225 cu.ft.     [note that we replace 9 in with .75 ft to ensure unit consistency]

b)  225 x 11 = $2,475

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Tutor went the extra mile to help me with this essay. Citations were a bit shaky but I appreciated how well he handled APA styles and how ok he was to change them even though I didnt specify. Got a B+ which is believable and acceptable.

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