Question 211724
3e+1s=3.50, s=3.50-3e
2e+3s=5.25
2e+3(3.50-3e)=5.25
2e+10.50-9e=5.25
-7e=-5.25
e=.75
--------------------
3(.75)+s=3.50
2.25+s=3.50
s=1.25
---------------------
proof
2(.75)+3(1.25)=5.25