mrs. brown's girl scout troop had a car wash to earn some funds. They saved 1/6 of the money. They used 1/2 of the remaining money to go horseback riding. They then had $100.00 left. How much did they initially make washing cars?

3 answers

1/2(5/6)x = 100

5/12x = 100

Solve for x.
How do you get 5/6
240