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Alex17521 [72]
4 years ago
13

Abby is touring china for four days. The car rental is $38.15 per day plus 12 1/2 cents per mile. If Abby drives 380.5 miles, ho

w much does she owe the rental company ?
Mathematics
1 answer:
Andrej [43]4 years ago
6 0
The car rental is 38.15 + 12 1/2 per mile or 

\bf \textit{rental function R(x) then is }
\\\\
R(m)=38.15+12\frac{1}{2}m\implies R(m)=38.15+\cfrac{25}{2}m
\\\\
-----------------------------\\\\

\textit{she drove 380.5 miles}\implies m=380.5\\\\
-----------------------------\\\\
R(380.5)=38.15+\cfrac{25}{2}(380.5)\impliedby \textit{she owes that much}

now, we're assuming she drove that in 1day, thus she's only getting charged 38.15, for 1 day :)
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