15 69, find the numbers.
8. The ratio of boys to girls in a primary school is 3 : 7. Find the number of
boys and girls if the total number of students is 800.
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Answer:
Boys = 240
Girls = 560
Step-by-step explanation:
Let, the no. of boys and girls are 3x and 7x.
A/Q, 3x + 7x = 800 ( Total number of students = No. of Boys + No. of Girls )
10x = 800
then, x = 80
No. of Boys = 3x = 3*80 = 240
No. of Girls = 7x = 7*80 = 560
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