SOLUTION: Sally is 10 years older than Tim. In 8 years, the sum of their ages will be 40. Determine how old Sally and Tim are now.

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Question 732523: Sally is 10 years older than Tim. In 8 years, the sum of their ages will be 40. Determine how old Sally and Tim are now.
Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
SALLY,,,,,,,,,,,,,,TIM
SALLY==A
TIM====B
A=B+10
A+8+B+7=40
A+B=40-10
A+B=30
A-B=10
A+B=30
A-B=10
2A=40
A=20
SALLY==========40
TIM============20