SOLUTION: Nancy is 4 times as old as her sister, Fran. 3 years ago, the sum of their ages was 4 years total. How old was Fran 3 years ago? What does that mean, technically? Please provide a
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Question 228831: Nancy is 4 times as old as her sister, Fran. 3 years ago, the sum of their ages was 4 years total. How old was Fran 3 years ago? What does that mean, technically? Please provide a chart! THANKS!!!!!!!!!!
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let 
represent Fran's age now. Then Nancy's age now is 
. Fran's age 3 years ago is 
, and Nancy's age 3 years ago is 
. Three years ago the sum of their ages was 4, so:
 + (x - 3) = 4)
Solve for and then subtract 3. You will discover that Fran's mother wasn't even expecting 3 years ago.
John
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