What number increase by 72 equals 10 times the number?
@Imaculate got it first
Let the number be X. X + 72 = 10X 72 = 10x - X 72 = 9X X = 72/9 X = 8
x + 72 = 10x 72 = 10x - x 72 = 9x x = 72 ÷ 9 = 8 x = 8
