Find t such that (t,5) lies on the line through (0,3) and (-8,0).

First find the slope using the two points, then find the equation, then plug in the value 5 as y to get t!

we find that the slope is (0-3)/(-8-0) so it is -3/-8=3/8 and we have 3/8*2=3/4 so it is (3/4,5) and t=3/4