Question

In January the students in a class red 72 books in February they read 56 books what is the approximate percentage decrease in the number of books read from January to February

Answer 1

Answer: -12.5%

72 + 56 = 128

72 x / 128 x 100 = 56.25

56 / 128 x 100 = 43.75

43.75 - 56.25 = - 12.5