# What would be the equation to express Sarah's age if Sarah is 24 years younger than her mother and if the sum of their ages is 68?

##### 2 Answers

Aug 5, 2018

#### Explanation:

Aug 5, 2018

S = 22

#### Explanation:

let S = Sarah's age

Let M = Mother's age

S + M = 68

S + 24 = M

combining the two equations putting S + 24 for M gives

S + S + 24 = 68

Add the 2 S's and subtract the 24 from both sides

This gives

divide both sides by 2

S = 22