Jack is 2 years older than his sister jill. The sum of their ages is 24 years. If jack is x years, find x

x = 13

Jack is 13 years old and Jill is 11 years old.

Explanation:

x = Jack's age

x-2 = Jill's age, since she is 2 years younger than Jack

Add up the ages and set the sum equal to 24 to solve for x

x+(x-2) = 24

2x-2 = 24

2x = 24+2

2x = 26

x = 26/2

x = 13

Jack is 13 years old and his sister is x-2 = 13-2 = 11 years old

Check: 13+11 = 24, so the answer is confirmed.

the answer would be 150 books

step-by-step explanation:

if you divide 300 by 2 you will get 150