Question

The sum of two numbers is 27. The difference is 13. Find the numbers.

Answer 1

20 and 7

Explanation:

The sum of two numbers = 27

Let the first number be a

Let the second number be b

a + b = 27

-

a - b = 13

2b = 14

2 2

b = 7

From eqn (1)

a + b = 27

a = 27 - 7

a = 20

:. a = 20 and b = 7