SOLUTION: Alicia recieved some money from work. She spent one-fifth of it on gas. Then she spent half of what she had left on clothes. She spent seven dollars at lunch. When she got home she

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: Alicia recieved some money from work. She spent one-fifth of it on gas. Then she spent half of what she had left on clothes. She spent seven dollars at lunch. When she got home she      Log On

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Question 68997: Alicia recieved some money from work. She spent one-fifth of it on gas. Then she spent half of what she had left on clothes. She spent seven dollars at lunch. When she got home she had thirteen dollars left. How much did she have to start with?
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
4/5x(.5)-7=13
2x/5=20
2x=100
x=100/2
x=50 amount of money she started with.
proof
4/5*50(.5)-7=13
200/5*.5=13+7
40*.5=20
20=20