An inch is equal to about 2.54 centimeters. Write an expression which estimates the number of centimeters in x inches. Then estimate the number of centimeters in 12 inches.

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asked Dec 11, 2017 195k views

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An inch is equal to about 2.54 centimeters. Write an expression which estimates the number of centimeters in x inches. Then estimate the number of centimeters in 12 inches.

Mathematics
middle-school

David Alber asked

by David Alber

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If 1 inch = 2.54 cm, then 12 inches = x cm
x/12in = 2.54cm/1in
12(x/12 = 2.54cm)
x =2.54cm x 12
x = 30.48

Masylum answered Dec 17, 2017

by Masylum

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