So the total amount of marbles is: 20+12=32
there are 20 pink marbles
20/32 = 10/16 = 5/8 (simplified)
You can plug in the numbers like 2=3(6) + b then rearrange for b so 2-18=b so the answer to your question is y=3x-16
Answer:
What is the volume of a square pyramid if each side of the base is 18 meters and the height is 12 meters?
V=1296