SOLUTION: Mary is 8 years younger than Frank. Frank is 9 years older than Barbara-Sue. The sum of their ages is 300. What is Mary's age?
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Question 1058379: Mary is 8 years younger than Frank. Frank is 9 years older than Barbara-Sue. The sum of their ages is 300. What is Mary's age?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Substituting,
Check your problem setup.
All solutions should be integers and the first one is a fraction.
Correct and repost.
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