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John took all his money from his savings account. He spent ​$154 on a radio and 4/7 of what was left on presents for his friends. Of the money​ remaining, John put 6/11 into a checking account and the last remaining ​$300 was left to charity. How much money did John originally have in his savings​ account?

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1 answer
  1. savings balance = x
    radio = 154
    friends = 4/7 (x-154)
    checking = 3/7 (x - 154) * 6/11
    charity = 300
    so,
    x = 154 + 4/7 (x-154) + 3/7 (x - 154) * 6/11 + 300
    so now just solve for x.

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    oobleck

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