Question

The sum of two numbers is 55. The smaller number is 15 less than the larger number. What are the numbers?

Answer 1

a=35

b=20

Explanation:

a+b =55

a=b+15

b+15 +b =55

2b=55 - 15

2b=40

b=40 :2

b=20 (the smallest number)

a=20 +15 =35 (the largest number)

Answer 2

Explanation:

55=x+15

-15 -15

40=x

Hope it helps!