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at reaben auto shop,it take him 9 minutes to do an oil change and 12 minutes to do a tire change. he does. using the values and variables given, write an inequality how many oil changes and tire changes reuban can do in less than hour (60 minutes)

User Kwong Ho
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Let x be the number of oil changes, and y the number of tire changes.

It takes Reuben 9 minutes to do an oil change

12 minutes to do a tire change.

9x + 12y < 60

User Afelisatti
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