Question 1169251
d dimes
3d nickels
q quarters


{{{system(4d+q=22,10d+5*3d+25q=175)}}}


{{{system(4d+q=22,25d+25q=175)}}}


{{{system(4d+q=22,d+q=7)}}}
E1-E2:
{{{3d=15}}}
{{{highlight(d=5)}}}-----------use this to find the other two.