Posted by BRYAN on .
The sides of a square were reduced from 10 cm to 7.5 cm. What is the percentage decrease in the area of the square?

MATHS 
Ms. Sue,
10 * 10 = 100 sq. cm
7.5 * 7.5 = 56.25 sq. cm
100  56.25 = 43.75
43.75/100 = ?
Convert the decimal answer to a percent.