Question 1088590
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...bank with nicels, dimes, and quarters. She has 30 more dimes than nickels and 4 more quarters than twice the number of nickels.
... uses 5 quarters and one nickel to make a purchase and has $17.00 left.
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Initial amount of money was $18.30.


{{{5n+10d+25q=1830}}}
{{{n+2d+5q=366}}}


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{{{system(d=n+30,q=4+2n,n+2d+5q=366)}}}


{{{n+2(n+30)+5(2n+4)=366}}}
{{{n+2n+60+10n+20=366}}}
{{{13n+80=366}}}
{{{13n=286}}}
{{{highlight_green(n=22)}}}------nickels, originally.


You can evaluate d and q.