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31 August, 06:33

At a country concert, the ratio of number of boys to the number of girls is 2:7. if there are 250 more girls than boys, how many boys are at the concert?

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Answers (2)
  1. 31 August, 06:58
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    if 5 shares is 250

    then one share is 50

    the number of boys = 50*2

    =100 boys

    350 girls
  2. 31 August, 07:01
    0
    Cross multiplication would be the strategy in this ratio problem. (2/7) = ((x) / (x+250))

    X (# of boys) would be 100.
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