The answer is x=20! I hope I helped you! :)
Answer:
8milliliters for 40 pounds
Step-by-step explanation:
7/35=0.2
0.2*40=8
This is a parabolic function
A negative lead coefficient means that f(x) is increasing from the left and decreasing to the right. It will have a maximum value vertex.
C = 15n + 85....when C = 385
385 = 15n + 85
385 - 85 = 15n
300 = 15n
300/15 = n
20 = n <== 20 watches were made