SOLUTION: A truck can be rented from Company A for & $80 a day plus $0.20 per mile. Company B charges $30 a day plus $0.70 per mile to rent the same truck. How many miles must be driven in a

Question 1045426: A truck can be rented from Company A for & $80 a day plus $0.20 per mile. Company B charges $30 a day plus $0.70 per mile to rent the 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's?
Found 2 solutions by jorel555, advanced_Learner:
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
Let m represent miles. Then:
80+.2n<30+.7n
50<.5n
100 The truck must be driven more than 100 miles to make Company A a better deal. ☺☺☺☺
Answer by advanced_Learner(501) (Show Source): You can put this solution on YOUR website!
A truck can be rented from Company A for & $80 a day plus $0.20 per mile. Company B charges $30 a day plus $0.70 per mile to rent the 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's?
company A
80+0.20m
company B
30+0.70m
80+0.20m=30+0.70m
m=100 miles at this rate they are equal,graph confirms this
more than 100 miles must be driven

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