Answer:
This is often called scaling in math, used in ratios, fraction, percent's etc.
Step-by-step explanation:
You can use similar processes when converting from smaller to larger units. When converting a larger unit to a smaller one, you multiply; when you convert a smaller unit to a larger one, you divide. Here is an example..
B: Integer
I also did that khan academy and got it right
28
If x=2 then 2x2 is 4
Plus 2x4x3= 28
Hope this helps! :D