This is cool lol but i have never seen this before so i’m no help just trying to answer my first question
The answer is yes everything is posible
The element of art that is 3d is form
13.9
Explanation: add the amount he doesn’t in gift A (10.7) and the amount he spent on part B (5.4) and you get 16.1. The. Subtract 16.1 from 30 and you get 13.9