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 · Wed Jan 13 2021

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Give the statement:

An inch is equal to about 2.54 centimeters.

Determine the expression which estimates the number of centimeters in x inches

Estimate the number of centimeters in 12 inches.

Representation:

Let x = inches

Measurement in Centimeters = 2.54x

Solution:

In order to get the value 12 inches, simply substitute the given measurement to the expression.

Measurement in Centimeters = 2.54x

Measurement in Centimeters = 2.54(12)

Measurement in Centimeters = 30.48 cm

Final answer:

Expression: = 2.54x

Measurement of 12 inches in Centimeters = 30.48 cm