Asked by Leroy
Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How old is each now?
Answers
Answered by
Reiny
Present age:
Warren -- x
Erin -- 3x
Their ages 4 years from now :
Warren -- x+4
Erin -- 3x+4
3x+4 = 2(x+4)
3x+4 = 2x + 8
x = 4
so now Warren is 4 and Erin is 12
check: in 4 years, Warren will be 8 and Erin will be 16.
Is here age twice that of Warren ?
Warren -- x
Erin -- 3x
Their ages 4 years from now :
Warren -- x+4
Erin -- 3x+4
3x+4 = 2(x+4)
3x+4 = 2x + 8
x = 4
so now Warren is 4 and Erin is 12
check: in 4 years, Warren will be 8 and Erin will be 16.
Is here age twice that of Warren ?
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