the ratio of boys to girls in a class is 3:2. If the no. Of boys is 6 more than no. of girls. Find the no. of girls and total strength.
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You do it by the unitary method
Let the number of students be x
3x - 2x=6
1x=6
Therefore no. Of boys
3x6= 18
Number of girls
2x6=12
Total strength
18+12= 30
hope you understand :))
Let the number of students be x
3x - 2x=6
1x=6
Therefore no. Of boys
3x6= 18
Number of girls
2x6=12
Total strength
18+12= 30
hope you understand :))
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