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erica, sheena, and yaei are playing a game. eric has half as many points as sheena. sheena has three fewer points than yaei. together the three players have 68 points. how many points does yaei have? algebraic formula answer

User Abhinsit
by
7.7k points

1 Answer

3 votes
E+S+Y=68
E=S/2
S=Y-3

E=(Y-3)/2

E+S+Y=68
(Y-3)/2+Y-3+Y=68
(Y-3)/2+2Y-3=68
(Y-3)/2+2Y=71
(Y-3)/2+4Y/2=71
Y-3+4Y/2=71
5Y-3=142
5Y=145
Y=145/5
Y=29
User Tinker
by
7.5k points
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