SOLUTION: 72 tires are changed between a small and large truck over 8 weeks. The large truck has 3 times as many tires as the small truck. How many tires does the small truck have?

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Question 549636: 72 tires are changed between a small and large truck over 8 weeks. The large truck has 3 times as many tires as the small truck. How many tires does the small truck have?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3x+x+72
4x=72
x=72/4
x=18 small
3x=54 large