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Two competing airlines create a new marketing plan, charging passengers a fixed amount and then a rate per mile flown. Cheapo Air: $49.95 plus $0.25 a mile

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Two competing airlines create a new marketing plan, charging passengers a fixed amount and then a rate per mile flown.

Cheapo Air: $49.95 plus $0.25 a mile

Discount Airways: $89.95 plus $0.20 a mile

A one-way flight from Memphis to Cleveland is 730 miles.

Part A: If C is the cost of the flight and M is the number of miles flown one way, what is the equation for the cheapest option?

Part B: How much money will you save with the cheaper option?

 Feb 22, 2016

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For Cheapo Air:  C  =  49.95 + 0.25M

For Discount Airways:  C  =  89.95 + 0.20M

If M = 730:  Cheapo Air:  C  =  49.95 + 0.25(730)  =  $232.45

If M = 730:  Discount Airways:  C  =  89.95 + 0.20(730)  =  $235.95

So Cheapo Air is cheaper by $3.50

 Feb 22, 2016

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