The cost of a taxi ride is calculated by adding a fixed amount to a charge for each 1/4 of the trip. If one mile costs $4 and 3/2 miles costs $5.50, what is the cost of a three-mile trip?
I made a table:
This question came from the chapter titled linear equations in two variables.
After doing the math, I got $11 for 3 miles but the math book tells me that the correct answer is $10 for 3 miles.
How do I set up a system of linear equations for this question? How do I find $10?