Mathematics, 21.07.2019 06:30 xemnas1994
At martina's auto shop, it takes her 15 minutes to do an oil change and 18 minutes to do a tire change. let x be the number of oil changes she does. let y be the number of tire changes she does. using the values and variables given, write an inequality describing how many oil changes and tire changes martina can do in at most 3 hours ( 180 minutes).
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