Question

Two thirds of a number is 18work out five ninths of the number

Answer 1

(2/3) * x = 18
2x / 3 = 18
2x = 18*3
2x = 54
x = 54/2
x = 27

(5/9) * 27 = y
27*5 / 9 = y
135 / 9 = y
y = 15