SOLUTION: Keegan is 96 years younger than Lindsey. 7 years ago, Lindsey's age was 4 times Keegan's age. How old is Keegan now?
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Question 1138157: Keegan is 96 years younger than Lindsey. 7 years ago, Lindsey's age was 4 times Keegan's age. How old is Keegan now?
Answer by VFBundy(438) (Show Source): You can put this solution on YOUR website!
Keegan's age now = x
Lindsey's age now = x + 96
"7 years ago, Lindsey's age was 4 times Keegan's age":
(x + 96) - 7 = 4(x - 7)
Solve for x:
x + 96 - 7 = 4x - 28
x + 89 = 4x - 28
3x = 117
x = 39
Keegan's age now = x = 39
Double-check:
Keegan's age now = x = 39
Lindsey's age now = x + 96 = 135
"Keegan is 96 years younger than Lindsey":
135 - 39 = 96
"7 years ago, Lindsey's age was 4 times Keegan's age":
(135 - 7) = 4(39 - 7)
128 = 4(32)
128 = 128
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