Question 109828
d = number of dollar coins
q = number of quarters
{{{d + q = 650}}}
{{{d + .25q = 256.25}}}
subtract the 2nd from the 1st
{{{.75q = 393.75}}}
{{{q = 525}}}
{{{d + q = 650}}}
{{{d + 525 = 650}}}
{{{d = 125}}}
There are 525 quarters and 125 dollar coins