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algebra

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Suppose you have $55 in your account. You start saving $10 each week. Your friend has $20 in her account and is saving $15 each week.

A) When will you and your friend have the same amount of money in your accounts?
B) How much money will each of you have?

  • algebra -

    let number of weeks be w

    solve
    10w + 55 = 15w + 20

    take it from there

  • algebra -

    10w+55=15w+20
    -10w -10w
    55=5w+20
    -20 -20
    35=5w
    /5 /5
    7=w

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