SOLUTION: Here's my question: Lawson is 77 and his grandson Prewitt is 25. How many years ago was Lawson 5 times Prewitt's age?

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Question 1041692: Here's my question:
Lawson is 77 and his grandson Prewitt is 25. How many years ago was Lawson 5 times Prewitt's age?
Found 2 solutions by josgarithmetic, Alan3354:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
y, how many years ago

77-y=5%2825-y%29


77-y=125-5y
-y%2B5y=125-77
4y=48
y=12

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Lawson is 77 and his grandson Prewitt is 25. How many years ago was Lawson 5 times Prewitt's age?
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The age difference is always 52.
1 to 5 --> 52 = 4 times the youngest.
--> 13 & 65