Question

Samantha smith went into a store and spent half her money and then spent $20 more. Samantha then went into a second store and spent half her remaining money and then spent $20 more. After spending money in the second store, Samantha had no money left. How much money did she have when she went into the first store?

Answer 1

Let x = original amount of money.

1/2x - 20 - (1/2)(1/2x-20) - 20 = 0

Solve for x.

Answer 2

couldnt it be any number