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23 September, 17:37

39. You need to rent a car for a trip. Wrecko'mend charges $. 10 a mile plus a $30 flat fee. Rent a Wreck

charges $20 a mile with no fee. How many miles does the trip have to be for Wrecko'mend to be the better

deal?

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  1. 23 September, 17:58
    0
    i think this is a systems of equations

    putting this on a graph we have to equations:

    y = 10x + 30

    y = 20x

    graph and find the intersection.

    it has to be more than or equal to 3 miles i think for wreckomend
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