The cost C(in dollars) of making n watches is represented by c=15n + 85. How many watches are made when the cost is $385?
2 answers:
Answer:
20
Step-by-step explanation:
385=15n+85
-85 -85
300=15n
/15 /15
20=n
Answer: 20
Solution: Subtract 85 from the cost then divide the remainder by 15
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