Math 5th

4/7 of a group of children are boys. If there are 18 more boys than girls, how many children are there altogether?

  1. 👍 0
  2. 👎 0
  3. 👁 2,425
  1. No of Girls
    X x 4/7=18
    (X x 4/7)/(4/7)=18(4/7)
    X=18(4/7)
    X=(18x7)/4 reciprocal
    X=56/4
    X=14

    Total No of Children
    18boys+14girls
    18+14=32 Children

    1. 👍 2
    2. 👎 11
  2. 4/7= Boys, 3/7= Girls there are 1/7 more boys than girls. There are 18 more boys than girls.
    1/7=18/X
    (18)1/(18)7=18/X
    18/126=18/X
    X=126
    72 boys + 54 girls = 126 total kids

    1. 👍 10
    2. 👎 5

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