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A car rental company offers two plans for renting a car. Plan A: $35 per day and $O.25 per mile. Plan B: $55 per day with free unlimited mileage. For what range of miles will plan B save you money? A). Less than 150 mi. B). More than 80 mi. C). Less than 80 mi. D). Less that 400 mi. E). More than 400 mi.

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msacoustic
The answer to the question is B.

55 - 35 = 20 

80 x 0.25 = 20

Therefore, you save money after 80 miles.
Well you'd have to think about it distance and money wise. Plan B is more effective if you travel more than 20$ worth of miles each day, as 55-35 =20. Since plan A says that each mile is 0.25 dollars, and plan B Is only effective after 20$ worth of miles, you have to divide20 by 0.25 to get 80, so B is correct.

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