Question

2/3 of its complement

Answer 1

One num = 54

Another = 2/3 of 54 = 36

Explanation:

x + 2/3x = 90

3/3 x + 2/3x = 90

5/3 x = 90

x = 90 x 3/ 5 = 54

One num = 54

Another = 2/3 of 54 = 36

I hope im right!