Mr. Payton would like to paint his deck the dimensions of the deck are shown below if one can of paint covers 72 square feet how many can will he need to purchase for two coats of paint?

i think this could be a possible answer (1 / 84) -1

good luck! : d

24

step-by-step explanation:

the answer is 21%.

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."