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Musya8 [376]
3 years ago
9

How many ways are there to select 3 of 15 flavors of juice at the grocery store?

Mathematics
1 answer:
m_a_m_a [10]3 years ago
5 0
First, you need to distinguish if this is a permutation or a combination. The difference between the two is the order. In combination, order does not matter. Since there is no any restriction given, we assume this is a combination problem. The equation of determining the number of ways to choose 'r' objects out of total 'n' objects is:

Number of ways = n!/r!(n-r)! = 15!/3!(15-3)! = 455

There are 455 ways.
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Step-by-step explanation:

1. what is the change in Dan's total pay for each copy of math is fun he sells?

2. what is Dan's total pay if he doesn't sell any copies of math is fun?

Given

y=80x + 2400

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