Question

The percentage of girls in a school is 60%. If the number of girls in the school is 690, find the
total number of students in the school. Also find the number of boys in the school.

Answer 1

Answer:

Step-by-step explanation:

Total no. of students =

100*690/60

50*23

1150

No. of boys =1150-690=460 boys

Answer 2

Step-by-step explanation:

60% of X = 690

X= 690 × 100/60

X= 230×5

X= 1160

therefore total students is 1160

boys % = total% - girls%

boys% = 100% - 60%

boys%= 40%

boys = 40% of total

boys = 40/100 × 1160

boys = 2/5 × 1160

therefore boys = 464

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