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?
1 answer:
Answer:
20=n
Step-by-step explanation:
Take 385 and subtract 85. You get 300. Divide 300 by 15n. You get 20.
20=n
If you want to double check, replace n with 20 so the equation is
C=(15x20)+85
Hope I help!
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