Question

Write an equation and solve

Joseph spent half the money in his wallet on a video game before earning $10 mowing the lawn. If Joseph’s wallet now has $31, how much was in his wallet before he bought the game?

Answer 1

$42 dollars was in his wallet.

Equation: total = 0.5x + 10

Plug in values...

31 = 0.5x + 10

21 = 0.5x

x = 42