Question

Two numbers are in the ratio 7 : 9. If the sum of the numbers is 128, then find the larger number .

Answer 1

72

Step-by-step explanation:

Let first number = a

second number = b

a/b = 7/9

a = 7x

b = 9x

7x+9x = 128

16x = 128

x = 8

a = 7(8) = 56

b = 9(8) = 72