Question

A 3-mile cab ride cost $3.00. A 6-mile cab ride cost $4.80. Find a linear equation that models cost c as a function of distance d
slope of linear equation is
(4.8 - 3)/(6 - 3) = 1.8/3 = 0.6
c - 3 = 0.6(d - 3)
c - 3 = 0.6d - 1.8
c = 0.6d + 1.2

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