A taxicab charges $4.25 for the first mile and $1,50 for each additional mile. Write a rule for describing the total rater as a function of the total miles m. What is the taxi rate for 12 miles?
1 Answer
Explanation:
The trick with algebra is to think what you would do with numbers, then substitute letters.
Mile number 1 costs
The rest of the miles
Putting this all together we have:
The question instructs that we are to use the letter m for the total miles so we now have:
This would be written as:
So
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