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September 19, 2014

Homework Help: math

Posted by Hobo on Thursday, March 11, 2010 at 3:07pm.

Lydia Rise us building a terraium and needs to buy two sizes of gravel and soil to go in the bottom. The terraiun is 24 in longs, 14 in wide, and 15 in tall.

A.The bottom layer is pea gravel and needs to be 2 inches deep. How many cubic inches will she need? B. The second layer is aquarium gravel and needs to be 1 inch deep. She has 400 cubic inches of gravel, does she have enough?C.The top layer is potting soil. It needs to be 5 in deep. The ptting soil comes in bags of 1,500 cubic inches. How many bags will she need?

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