Question 1102712
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<pre>
N       Dimes      Quarters

1     15 dimes    0 quarters

2     10 dimes    2 quarters

3      5 dimes    4 quarters

4      0 dimes    6 quarters
</pre>


&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- What are you going to learn by posting this problem to the forum ?


&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;You should solve it mentally in 3 seconds . . .