Ali and Ben had a total of $540
Ben and Chan had a total of $500
Ali and Chan had a total of $560
how much money did Ali, Ben and Chan have altogether
for the life of me, I can’t seem to make figure out how to solve it. Any kind soul can help please?
desperate parent
sushi88
A + B + B + C + A + C = 540 + 500 +560
2(A + B + C ) = 1600
Therefore A + B + C = 1600/2 = $800
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Alternatively, using models
[—-A—–][——B——]<-20–>
[—-A—–][————C———]
C = B + 20
B + C = 500 (Given)
B + B + 20 = 500
2B = 480 +> B = 240
C = 240 + 20 = 260
A = 540 -240 = 300
Therefore A + B + C = 300+240+260 = $800
