Posted by **Cynthia** on Wednesday, March 31, 2010 at 4:09am.

A 5-mile cab ride costs $9.30. A 11-mile cab ride costs $17.70. Find a linear equation that models cost c as a function of distance d.

- ALGEBRA -
**Reiny**, Wednesday, March 31, 2010 at 9:03am
Treat the data as two ordered pairs (5,930) and (11,1770) of the form (d,c)

take the slope, then find the equation in the form

c = md + b ( just like y = mx + b)

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