The population because it’s what’s changing
Let's set up a proportion.

Then solve for x:
12 x 800 = 9600
9600/100 = 96
96 is 12% of the 800 students. :)
Hope this helped! If you have anymore questions or don't understand, please comment or DM me. :)
YOU SHOULD MAKE MORE RICE
3x's more rice!
1 Millimeter is the answer I hope this helps you.
Short method: multiply constants

Long mothod: expand it

Answer: 42