Two brothers, ty and cam, went to a local bookstore to buy books for school. ty bought 8 books for $113.92, and cam bought 6 books for $92.82. they then compared their average cost per book.
ty paid an average cost of $
per book. cam paid an average cost of $
per book.
so,
paid an average cost of $
more per book than his brother.

Ty paid an average of 113.93/8 = 14.24
cam paid an average of 92.82/6 = 15.47
Cam paid an average of 1.23 more per book than his brother

Abit confused about what you mean, but i think you might be referring to slope intercept form: y = mx + bin that case b, or the y intercept is already given.(0,-1)find the slope by using the formulay2 - y1/x2 - x1the final slope will be 4/2, equivalent to 2.now your equation should look like thisy = 4/2x -1sorry if this didn’t you out!