The ratio of the number of white shoes to the number of black
shoes Alex owns is 2:3
Let the number of red shoes be x
Then from the given information, we know that
brown shoes = 3 times red shoes = 3x
black shoes = 2 times brown shoes = 2(3x)= 6x
white shoes = 4times red shoes = 4x
We need to find the ratio between the number of white shoes and the number of black shoes owned by Alex
So, the ratio of the number of white shoes to the number of black
shoes he owns is number of white shoes : number of black shoes
= 4x: 6x
which can be simplified as 2: 3
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