SOLUTION: Nadia is 69 years old and Kevin is 9 years old. How many years will it take until Nadia is only 4 times as old as Kevin?

Question 961000: Nadia is 69 years old and Kevin is 9 years old.
How many years will it take until Nadia is only 4 times as old as Kevin?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Nadia is 69 years old and Kevin is 9 years old.
How many years will it take until Nadia is only 4 times as old as Kevin?
:
Let y = the no. of years for this to be true
:
69 + y = 4(9 + y)
69 + y = 36 + 4y
69 - 36 = 4y - y
33 = 3y
y = 33/3
y = 11 yrs from now N will be 4 times K's age
:
:
see if this is true
69 + 11 = 4(9 + 11)
80 = 4(20)
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