SOLUTION: The sum of the age of Dave and Ted is 48 yrs.Eight years from now Ted will be three times Dave age. Find their present age.

Question 498804: The sum of the age of Dave and Ted is 48 yrs.Eight years from now Ted will be three times Dave age. Find their present age.
Answer by kim09(1) (Show Source): You can put this solution on YOUR website!
let:
x-Dave
y-ted
the sum of the ages of Dave and ted is 48.
8 years from now ted will be 3 times Dave's age.
Find their present ages.
Equations:
x + y = 48
(y+8) = 3(x+8)
Substitute for y and solve for "x":
(x + 48-x) = 3x+24
3x = 48-24
3x = 24
x = 8 (Dave's age now)
Since x+y = 48, ted is 40 yrs old

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