Question 1073018
<pre>
ONE DAY'S WORTH OF PRESCRIPTION
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             mgs of compound       Vitamin C        Vitamin D

The One           x                 0                0.8x

The Other         y                0.4y              0.2y

Totals                             50                 10
</pre>


{{{system(0.4y=50,0.8x+0.2y=10)}}}
Solve this system for x and y.