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) About Me  (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:



Solve for and then subtract 3. You will discover that Fran's mother wasn't even expecting 3 years ago.

John