Alicia whitman rented a station wagon for her vacation. the wagon rented f $35.40 per day plus 21c per mile. she used the wagon for 7 days. she paid $54.20 for gasoline during her 620-mile drive. what is her cost per mile to the nearest cent?

The cost per mile is

Step-by-step explanation:

Let

C-----> the total cost

R----> the cost of the rented wagon

G----> the cost of gasoline

we know that

The total cost is equal to

step 1

Find the cost of the rented wagon

step 2

Find the total cost

we have

substitute

step 3

Find the cost per mile

Divide the total cost by the number of miles

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