how do you solve this problem 56 books ; 75% decrease
You multiply 56 by 75, and then divide by 100. You then subtract the answer from 56. That is the answer.
The answer is 14 you simplify the fraction 75/100 to 3/4 and multiply by 56 4 divides 56 into 14 multiply this by 3 and subtract from 56, 56-42=14 books