Question

One number exceeds another by 9.the sum of the numbers is 31.what are the numbers

Answer 1

Let the smaller no. be x

x + 9 + x = 31

2x + 9 = 31

2x = 31 - 9

2x = 22

$x \: = \: \frac{22}{2}$

x = 11

Thus, the larger no. is 11 + 9 = 20