to take a taxi downtown in st. louis it will cost you $3.00 to go a mile. after 6 miles it will cost you $5.25. the cost varies linearly with the distance travelled.

write the particular equation expressing cost (c) in terms of miles (d) traveled.

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If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.