Question 1194976
similar to but not exactly the same given values as another exercise posted about a week ago.



x, ten-centavo coins
y, twentyfive-centavo coins
{{{y-x=10}}}
{{{y=x+10}}}


{{{10x+25(x+10)=2250}}}
.
.
{{{10x+25x+250=2250}}}
{{{35x=2000}}}
{{{x=2000/35=400/7=57.14285}}}
Your problem description must be wrong.  WHOLE number results are needed.