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vitfil [10]
3 years ago
13

A truck can be rented from Company A for $100 a day plus $.30 per mile. Company B charges $80 a day plus $.50 per mile to rent t

he same truck. How many miles must be driven in a day to make the rental cost for Company A a better deal than Company B?
Mathematics
1 answer:
navik [9.2K]3 years ago
8 0
The truck B is the better deal because the rent cost less

hope this help
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Roman55 [17]

Answer:

(x,y)=\left(\; \boxed{-1,-8} \; \right)\quad \textsf{(smaller $x$-value)}

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Step-by-step explanation:

Given system of equations:

\begin{cases}y=x^2-9\\y=4x-4\end{cases}

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Therefore, the solutions are:

(x,y)=\left(\; \boxed{-1,-8} \; \right)\quad \textsf{(smaller $x$-value)}

(x,y)=\left(\; \boxed{5,16} \; \right)\quad \textsf{(larger $x$-value)}

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