Choose a fraction between ½ and 1. Suppose you make 7 ½ jumps of that amount. On the number line, you START at ½ . Where do you end up?

Answer 1

So, if I choose 3/5, then I get
1/2 + (7 1/2)(3/5) = 1/2 + (15/2)(3/5) = 1/2 + 9/2 = 5