Wax candles

A company makes wax candles in the shape of a cylinder. Each candle has a diameter of 4 inches and a height of 7 inches. If the company used 7561.12 in3 of wax, how many candles did it make? Use 3.14, and do not round your answer

Correct result:

n =  86


D=4 inch h=7 inch V=7561.12 inch3  r=D/2=4/2=2 inch π=3.14 V1=3.14 r2 h=3.14 22 7=219825=87.92 inch3  n=V/V1=7561.12/87.92=86

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