Question

The cost C (in dollars)of making n watches is represented by C=15n+85. How many watches are made when cost is $385?

Step by step

Answer 1

385 = 15n + 85
Subtract 85 from both sides
300 = 15n
Divide 300 by 15
20 = n
20 watches are made when the cost is $385

Answer 2

25,55 dentada q ge vaya bien