Question

Kelly is 8 years younger than her sister. The sum of her age is 44 years. How old is jelly and how old is her sister?

Answer 1

Kelly: 4

Sister: 12

Explanation:

x=kelly's age

y=sister's age

x+y=44

x=y-8

(y-8)+y=44

2y-8=44

2y=36

y=12

x=12-8

x=4