Question 912562
{{{system(10d + 25q = 1850,
  d + q = 110)}}}
<pre>
Solve that by substitution and get 60 dimes and 50 quarters.

60 dimes    = 60 times $0.10 = $ 6.00
50 quarters = 50 times $0.25 = $12.50
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                       Total = $18.50

Edwin</pre>