<h3>
Answer: x = 6</h3>
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Work Shown:


Those are the possible solutions, but plugging x = -14 back into the original equation will lead to an error. So we rule x = -14 out
x = 6 works as a solution however
(boys) x=3(y)
(girls) y=x/3
Step-by-step explanation:
4% simple interest after 7 years is 28% interest.
$1736 interest is 28% of $6,200