In fifth class out of 40 students 18 are girls. What is the percentage of girls in the class ?
Answers
Answered by
14
Answer:
total students=40
no. of girls=18
percentage =18×100/40=18×10/4=18×5/2=9×5=45%
Answered by
2
Answer:
x/100 * 40 = 18
40x/100 = 18
2x/5 = 18
x = 18*5/2
x = 9*5
x = 45
45% population of class is girls
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