A cab ride costs 3.25 for the first half mile and 0.70 for each mile after the first – half mile. How far can someone travel for 12?

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9 miles

13.5 miles

14.5 miles

26 miles

27 miles

answer is B.

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Detailed Solution

Concep- A linear equation is the one where the degree of the variables would be equal to one. Because the degree of the variable y in the preceding equation is 1, we can say that the preceding equation is a linear equation in one variable.
Consider the number of half - miles that can be traveled as

.
As per the given information,

Therefore, total miles that can be traveled for 12 is 13.5 miles.
Hence, the correct answer is option 2.

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