Question

A suitcase had a width of 55 cm. Which unit conversion fraction should you use to find the width in inches?

A. 1 cm/2.54 in

B. 1 in/2.54 cm

C. 2.54 cm/1 in

D. 1 in/1 cm

Answer 1

B.
`(1 in)/(2.54 cm)`

Step-by-step explanation:

Answer 2

The answer is B.

When you multiply 55 cm by 1in/2.54 cm, the unit cm cancels leaving only in.

55 cm is thus 21.654 in.