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29 September, 09:42

If 60% of the people at a concert are adults, and there are 474 adults, how many kids are there? (Assume that everyone that isn't an adult is considered a kid)

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  1. 29 September, 10:04
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    Total = 790

    40% kids=316

    Step-by-step explanation:

    Suppose x is the total number of people in concert

    and it is given that 60% are adults so 40% left are kids

    so 60% of x = 474

    60/100 of x=474

    x = (474*100) / 60

    x=4740/6

    x=790

    so total people in concert are 790 in number

    so 40% of 790=# of kids

    (40/100) * 790=# of kids

    79*4=316

    so 316 equals 40% of kids in concert

    Checking:

    316+474=790
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