Question

A paper has an area of 624 square centimeters. What is the paper's area in square inches? Use the following conversion: 1 square inch is 6.5 square centimeters.

Answer 1

1in²=6.5cm²
624cm²=xin²

   1in²            xin²
______ = ________
6.5cm²       624cm²

Cross multiply
6.5x=624
divide both sides by 6.5
x=96in²

Answer=96in²