in a class of 50 students, 20% of them are girls and rest are boys. find the ratio of number of boys to the number of girls in the class
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Answered by
9
no of girls = 20*50÷100 = 10 girls
boys are 40
required ratio = 40:10 = 4:1 or 4
boys are 40
required ratio = 40:10 = 4:1 or 4
Answered by
8
Percentage of girls=20%
:.% of boys=100-20=80%
Calculating ratio
80:20=8:2=4:1(ANSWER)
:.% of boys=100-20=80%
Calculating ratio
80:20=8:2=4:1(ANSWER)
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