math

Abel Save a 43 more nickels than dimes. After he spents 17 dimes, he had twice as many nickel than dimes . How many coins did he have left ?

Is the below answer is correct because in question he is saying twice as many nickel than dimes

number of dimes --- x
number of nickels -- x+43

he spends 17 dimes, so he has x-17 dimes left

x+43 = 2(x-17)

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  1. n = d + 43

    (d - 17) = .5 n or d = .5 n + 17

    so
    n = .5 n + 17 + 43

    .5 n = 60

    n = 120
    d = n-43 = 77
    that is at the start
    but he spent 17 dimes
    so
    120 + 60 = 180 coins left

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  2. thank u

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