Question 1111779
{{{q+h=17,(1/4)q+(1/2)h=4&3/4}}}

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{{{25q+50h=475}}}
{{{q+2h=19}}}

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{{{system(q+2h=19,q+h=17)}}}


Subtract second from first:
{{{highlight(h=2)}}}


15 Quarters and 2 Half-Dollars