SOLUTION: a truck rental cost $42 a day plus 24 cents a mile. if the total cast for 1 day was $63.60, how many miles were driven?

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Question 578339: a truck rental cost $42 a day plus 24 cents a mile. if the total cast for 1 day was $63.60, how many miles were driven?
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
Let m = miles
Then a truck rental cost $42 a day plus 24 cents a mile is 42%2B0.24m
The equation
42%2B0.24m=63.60
0.24m=63.60-42
0.24m=21.60
m=21.60%2F0.24
m=90 miles