Question 1114637
r, jeRry
f, jeFf


{{{system(r-5=(2/3)(f-5),r+10=(5/6)(f+10))}}}


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{{{system(3(r-5)=2(f-5),6(r+10)=5(f+10))}}}


{{{system(3r-15=2f-10,6r+60=5f+50)}}}


{{{system(3r-2f=5,6r-5f=-10)}}}
You decide what you want to do from here.



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jeff, 20
jerry, 15