Question

Find two numbers if their sum is 7.2 and their difference is 2.7. Pls help me !

Answer 1

4.95 and 2.25

Explanation:

Values of x:

x + y = 7.2

x = 7.2 - y

x - y = 2.7

x = 2.7 + y

Value of y:

7.2 - y = 2.7 + y

2y = 4.5

y = 2.25

Value of x:

x + 2.25 = 7.2

x = 4.95