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8 April, 07:04

Bodhi has a collection of 175 dimes and nickels the collection is worth $13.30 what equation can be used to find n the number of nickels in the collection

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  1. 8 April, 10:46
    0
    84 nickels, 91 dimes

    Step-by-step explanation:

    d = # of dimes

    n = # of nickels

    0.1d + 0.05n = 13.3

    d + n = 175

    Now solving for n:

    Lets multiply the first equation by 100 for ease

    10d + 5n = 1330

    n = 266 - 2d

    d = 175 - n

    Substituting it in:

    n = 266 - 2 (175 - n)

    n = 84
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