You need to find the prime factors of each term in order to find the greatest common factor.
The answer is 3.
I think that the answer would be 4 chapters.
Sorry if I'm wrong!
15, if you plot the points, then seperate the x and y into two seperate lines, you can create a 3,4,5 triangle to find the distance between the points.
She will be able to cover 469.875 meters
