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For her upcoming vacation,Jade packed three shirts,two pair
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30 Sep 2019, 15:38
30 Sep 2019, 15:38
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For her upcoming vacation,Jade packed three shirts,two pair of shoes, and four skirts. How many different outfits consisting of one skirt, one pair of shoes, and one shirt can Jade make with the clothes she packs?
Show: :: OA
24
Re: For her upcoming vacation,Jade packed three shirts,two pair
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30 Oct 2019, 20:48
30 Oct 2019, 20:48
ans 24
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For her upcoming vacation,Jade packed three shirts,two pair
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31 Oct 2019, 10:03
31 Oct 2019, 10:03
Carcass wrote:
For her upcoming vacation,Jade packed three shirts,two pair of shoes, and four skirts. How many different outfits consisting of one skirt, one pair of shoes, and one shirt can Jade make with the clothes she packs?
Show: :: OA
24
Take the task of creating an outfit and break it into stages.
Stage 1: Select a shirt to wear
There are 3 shirts to choose from.
So, we can complete stage 1 in 3 ways
Stage 2: Select shoes to wear
There are 2 pair of shoes to choose from.
So, we can complete stage 2 in 2 ways
Stage 3: Select a skirt to wear
There are 4 skirt to choose from.
So, we can complete stage 3 in 4 ways
By the Fundamental Counting Principle (FCP), we can complete all 3 stages (and thus choose a complete outfit) in (3)(2)(4) ways (= 24 ways)
Answer: 24
Note: the FCP can be used to solve the MAJORITY of counting questions on the GRE. So, be sure to learn it.
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