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22 January, 15:13

Information about girls' ice skates:

Colors: white, beige, pink, yellow, blue

Sizes: 4, 5, 6, 7, 8

Extras: tassels, striped laces, bells

Assuming that all skates are sold with ONE extra, how many possible arrangements exist?

a) 25

b) 50

c) 75

d) 125

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Answers (1)
  1. 22 January, 16:20
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    Answer: c) 75

    There are 75 possible arrangements exist.

    Step-by-step explanation:

    Given : The number of choices for Colors = 5

    The number of choices for Sizes = 5

    The number of choices for Extras = 3

    WE assume that all skates are sold with ONE extra.

    Then by Fundamental counting principle, the total number of different possible arrangements exist = (number of choices for Colors) x (number of choices for Sizes) x (number of choices for Extras)

    = 5 x 5 x 3 = 75

    Hence, there are 75 possible arrangements exist.

    Thus, the correct answer is c) 75.
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