Please do question number 17
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20m * 15m * h
64m3 * 4 = 256m3 is total volume of soil spread.
by the problem,
20*15*h = 256
h = 256/20*15
now solve for h
64m3 * 4 = 256m3 is total volume of soil spread.
by the problem,
20*15*h = 256
h = 256/20*15
now solve for h
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