Question

George types at a constant rate of 55 words per minute , and has already typed 379 words . Which function determines how many words he will have typed after x minutes ?

Answer 1

Solution.

The linear function determines how many words George will have typed after x minutes

$$y=55x,$$

where $x$ is the number of minutes.

Now he works the seventh minute because $379:55=6.89.$

Answer. Linear function $y=55x.$