If 60% of the people at a concert are adults, and there are 474 adults, how many kids are there? (Assume that every one that isn't an adult is considered a kid)
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Answer:
474÷60=7.9
7.9×40=316
hence,the number of kids are 316.
verification:
total students =474+316=790.(60%+40%=100%)
790×60/100=474 and 790×40/100=316..
Hope it's right..
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