Hi! So if we lay out 16 popcorn balls, and each time we take away four, this is what would happen gradually,
16 bottom + 12 1st layer + 8 2nd layer + 4 3rd layer
16+12+8+4 = 40 popcorn balls!
( don't forget to use lables)
4:6 is the ratio of the polyester cotton
Answer:
40000
Step-by-step explanation:

Last one bc it jus is the last one so put in the last one bc the last one is the right one
0.2 is the correct answer. All you have to do is divide 1 by 5 to get 0.2