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7 December, 04:51

The cos of renting a van for one day includes a flat rental fee plus a charge for each mile the van is driven while it is rented. A van that is driven 107 miles costs $97.15. A van that is driven 127 miles costs $106.15. What is the flat rental fee?

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Answers (2)
  1. 7 December, 05:15
    0
    (107,97.15), (127,106.15)

    slope = (106.15 - 97.15) / (127 - 107) = 9 / 20 = 0.45

    y = mx + b

    slope (m) = 0.45

    (107,97.15) ... x = 107 and y = 97.15

    sub into the formula and find b, ur flat rental fee

    97.15 = 0.45 (107) + b

    97.15 = 48.15 + b

    97.15 - 48.15 = b

    49 = b < = = ur flat rate fee

    so ur equation would be : y = 0.45x + 49 ... this is basically saying that the cost of renting a van will cost u $ 0.45 per mile with the flat rate fee costing u $ 49.
  2. 7 December, 06:50
    0
    The previous answer seems reasonable, and written out, so I will defer to that.
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