Question

Fred spent half of his allowance on a game at Target. Then he earned an

extra $20 by mowing his grandparents' lawn. After he did this, he had $30
left. Write an equation to find what Fred's allowance is.

Answer 1

Let Fred's allowance be x

`{ \tt{ (1)/(2) x + 20 = 30}} \\ \\ { \tt{x + 40 = 60}} \\ { \tt{x = 20}}`

Fred's allowance is $20