SOLUTION: Shoe all work using the 5-step method to solve. Eddie's age is 4 times Marco's. In 10 years Eddie will be twice as old as Marco will be. How old is each now?

Question 313448: Shoe all work using the 5-step method to solve. Eddie's age is 4 times Marco's. In 10 years Eddie will be twice as old as Marco will be. How old is each now?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let Marco's age be x years
Eddie's age = 4x
..
after 10 years
marco's age will be x+10
eddie's age = 4x +10
..
4x+10=2(x+10)
..
4x+10=2x+20
4x-2x = 20-10
2x=10
x=5 marco's age
eddies age will be 4x = 4*5
=20 years.
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