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3 February, 06:47

At a lumber company, shelves are sold in 4 types of wood, 3 different widths and 3 different lengths. How many different types of shelves could be ordered?

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  1. 3 February, 10:09
    0
    36

    Step-by-step explanation:

    Pretty simple

    Multiply the numbers of different type of wood by the different type of length by the different type of width which is 4x3x3 = 36

    4 wood type A B C D

    3 length type L1 L2 L3

    3 width type 1 2 3

    So for wood A we have, (L1, 1) (L1,2) (L1,3) (L2,1) (L2,2) (L2,3) (L3,1) (L3,2) (L3,3)

    for wood B we have, (L1, 1) (L1,2) (L1,3) (L2,1) (L2,2) (L2,3) (L3,1) (L3,2) (L3,3)

    for wood C we have, (L1, 1) (L1,2) (L1,3) (L2,1) (L2,2) (L2,3) (L3,1) (L3,2) (L3,3)

    for wood D we have, (L1, 1) (L1,2) (L1,3) (L2,1) (L2,2) (L2,3) (L3,1) (L3,2) (L3,3) if we count the combinations together we will arrive at 36
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