Question 382472: Eddies age is 4 times macros. in 10 years eddie will be twice as old as marco will be. how old is each now Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Eddies age is 4 times macros. in 10 years eddie will be twice as old as marco will be. how old is each now?
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Equations:
E = 4M
(E+10) = 2(M+10)
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Substitute for "E" and solve for "M":
(4M+10) = 2(M+10)
4M + 10 = 2M+20
2M = 10
M = 5 (Marco's age now)
Since E = 4M, E = 20 (Eddie's age now)
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Cheers,
San H.
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