Question 1088592
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Steve invested $6000, part at 7% and the rest at 14%. If the amount of {{{highlight(cross(interested))}}} interest 
earned at 7% was 2 times the amount of interest earned at 14%, how much did Steve invest at each rate?
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Looking in the input numbers,  I can solve it MENTALLY:


<pre>
$4800 &nbsp;at &nbsp;7%,   &nbsp;&nbsp;&nbsp;&nbsp;and

$1200 &nbsp;at &nbsp;14%.
</pre>

<U>Check</U>. &nbsp;0.07*4800 = 336;  &nbsp;&nbsp;0.14*1200 = 168;  &nbsp;&nbsp;{{{336/168}}} = 2.  &nbsp;&nbsp;Correct !