Zack works at a carwash and can either do interior carpet cleaning, which takes 30 minutes per job, or exterior car washes, which takes 20 minutes per job. He works a maximum of six hours per day. If he is paid $5 for each exterior car wash and $6 for each interior carpet cleaning job, which of the following is true about the number of hours Zack can clean carpets (c) and do exterior car washes (e).

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2 July, 02:23

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Andres Castillo · Answer 1

Step-by-step explanation:

30 min ... c ... 6$

20 min ... e ... 5$

c*30+e*20< = 6*60 min

c*30+e*20<=360