SOLUTION: hi. I have some problem when doing this question. If John spend $12 a day, he save 3 more days longer than he spend $16 a day. How much money did he have in total..

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: hi. I have some problem when doing this question. If John spend $12 a day, he save 3 more days longer than he spend $16 a day. How much money did he have in total..      Log On

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Question 439445: hi. I have some problem when doing this question.
If John spend $12 a day, he save 3 more days longer than he spend $16 a day. How much money did he have in total..

Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
Let say John has x dollars. If he spend $16 per day the money finish for x/16 days
If he spend $12 per day the money finish for (x/12)-3 days. Write the equation:
x%2F16=%28x%2F12%29-3, multiply both sides by 48, 3x=4x-48%2A3 => x=144.
Answer:John has $144.