Question

if 12 is added to two numbers, their ratio changes from 3:4 to 13:16.The larger number is? a)9 b)15 c)12 d)6​

Answer 1

Answer:

mate thanks for points

Answer 2

The correct answer is 9

3x + 12 / 4x + 12 = 13 / 16

52x + 156 = 48x + 192

4x = 36

x = 9