SOLUTION: Debbie has 8% more money than Marty. Mary has 4% more money than Marty. They all have a total of $377. How much money does Marty have?
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Question 752438: Debbie has 8% more money than Marty. Mary has 4% more money than Marty. They all have a total of $377. How much money does Marty have?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
MARTY=X
MARY=Y
DEBBIE=Z
Y=1.02X
Z=1.08X
X+Y+Z=377
X+1.02X+1.08X=377
3.1X=377
X=377/3.1
X=$121.61 FOR MARTY
1.02*121.61=$124.05 FOR MARY
1.08*121.61=$131.34 FOR DEBBIE
PROOF:
121.61+124.05+131.34=377
377=377
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