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March 27, 2017

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Which is in order from least to greatest
A.1/4,0.33,2/5,0.5,2/3
B.1/3,1/2,0.4,0.25,2/3
C.1/3,1/4,0/4,1/2,0.66
D.2/3,0.5,2/5,0.33,1/4
A

Talent Show auditions were held after school. There were 3 groups who sang for every 2 groups that danced. If there were a total of 30 groups that auditioned how many can be expected to have sung
A.12
B.45
C.20
D.18
D

  • Math - ,

    3 + 2 = 5

    5 * 6 = 30

    so 6 teams consisting each containing 3 singing and two dancing
    6 * 3 singing groups = 18 singing groups

    check
    30 - 18 = 12
    18/12 = 9/6 = 3/2 sure enough

  • Math - ,

    Which is in order from least to greatest
    A.1/4,0.33,2/5,0.5,2/3

    Yes
    A is
    .25 , .33, .40, .50, .67


    B.1/3,1/2,0.4,0.25,2/3
    C.1/3,1/4,0/4,1/2,0.66
    D.2/3,0.5,2/5,0.33,1/4

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