2/10 Max's dog dish contains 34 ounces of water, and Max drinks 4 ounces per hour.
Sophie's dog dish contains 50 ounces of water and she drinks 6 ounces per hour. In how
many hours will Sophie's dish have less water than Max's?

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6

6

6

6

6

6

6

66

6

6

6

66

6

66answer:

step-by-step explanation:

answer: a

step-by-step explanation:

b

step-by-step explanation:

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."