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lbvjy [14]
2 years ago
6

A mechanic has a set fee for working on someone's automobile and charges by the hour for making repairs. The total cost of her s

ervices (yes she
female mechanic), is c(t) = 100t + 90. Which statement(s) about this function is true?
1. The one time fee for working on the car is $90.
II. The mechanic charges $100 per hour.
III. The number of hours the job takes is represented byt
a. I and III
b. I, II, and III
c. I and II
d. ll and III
Mathematics
1 answer:
julia-pushkina [17]2 years ago
7 0
I think it’s either b or c. But I’m leaning more towards c
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Christine went shopping and bought each of her eighteight nephews a​ gift, either a video costing​ $14.95 or a CD costing​ $16.8
pogonyaev
So I think you should set up an equation like this: 14.95x+16.88y=131.18 , x+y=8

so x=8-y, plug this into the original equation:
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