Question

"The cover of a photo album has an area of 97.5 square inches. Find it's area in square centimeters.

Answer 1

$Area=97,5\ inch^2\\\\1\ inch=2,54\ cm\\\\ 1\ inch^2=(2,54)^2=6,4516\ cm^2\\\\97,5\ inch^2=x\ cm^2 \\\\x=6,4516*97,5=629,031\ cm^2\\\\\ Area=629,031\ cm^2$