Find the common denominator.
12 15/40 - 8 8/40 = 4 7/40 and the answer is D. Hope it helps! If you could vote my answer as the brainiest, that would be awesome! :)
Three fraction equivalents are 8/18, 12/27, 16/36
Unit rate the the price for one thing, so we'll have to find the price for one ounce.

Just follow it:

It cost $.50 for one ounce.
Tell me if this helps!!
Answer:
number 5 is y= 3 7-3=4x4=16
Step-by-step explanation: