Question 1035146
Five times Megan's age plus twice Rachel's age is 39.  Rachel is four times as old as Megan.  How old is Rachel? 
<pre>{{{highlight_green(matrix(1,5, Rachel, is, 12, years, old))}}}

I never normally comment on responses, but how can 5 * 52 + 2 * 13 = 39? Doesn't that equal 286? 
Maybe this is some other math than what I know.