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23 May, 05:25

Janelle is planning to rent a car while on vacation. The equation C=0.32m + 15 models the relation between the cost in dollars, C, per day and the number of miles, m, she drives in one day. Find the cost on a day when Janelle drives the car 400 miles.

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  1. 23 May, 07:02
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    cost when 400 miles is driven is $143.

    Step-by-step explanation:

    Model for cost calculation: C=0.32m + 15

    We have to find cost when no. of miles driven is 400.

    To find that cost we need to plug 400 in place of m.

    C=0.32m + 15

    => c = 0.32*400 + 15

    => c = 128 + 15 = 143

    Thus, cost when 400 miles is driven is $143.
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