Noah says that to find 20% of a number he divides by 5.For example, 20% of 60 is 12, because 60 divided by 5 equals 12. Does his method always work?

The first box you would put $5 and the second box you would put $69

because Danielle pays $5 every time she rents a movie on demand because you would take the unit rate for 1 movie instead of 7 movies and see what the price is for 1 movie on demand and when you do that you get $5 so her fee for 1 movie on demand is $5 and her monthly cable bill is $69