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28 May, 09:52

a coin collection of nickels and dimes amount to 0.90. there are 4 times as many nickkels as dimes how many coins of each kind are there

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  1. 28 May, 11:29
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    Answer: 5

    Step-by-step explanation:

    5 * ((2*q) + 7)) + 10 * (2*q) + 25*q = 310

    10*q + 35 + 20*q + 25*q = 310

    55*q = 310 - 35

    55*q = 275

    q = 5
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