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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?

  • math -

    Let x = original amount of money.

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

    Solve for x.

  • math -

    couldnt it be any number

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