SOLUTION: At Shen's auto shop, it takes him 15 minutes to do an oil change and 20 minutes to do a tire change. Let x be the number of oil changes he does. Let y be the number of tire changes
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Question 1118679: At Shen's auto shop, it takes him 15 minutes to do an oil change and 20 minutes to do a tire change. Let x be the number of oil changes he does. Let y be the number of tire changes he does.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
So, what is the question?
Cheers,
Stan H.
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