How I stopped an Alien Invasion using Proportion

OH mY GoD The Aliens Came!!!! I have to get kill superman if I want the world to live!!! just kidding I just need to answer three proportion.


A) Box 1 is 4 and box 2 is 9.

B)box 1 is 48 and box 2 is 768km




A)$2.50/ride
B)2.50x18=$45/18 ride s
or
7.50x6=$45/18 rides

And For # 15
Figure#:Added squares. (1:2)

Sorry for being so late