Question

- The ratio of the marks obtained by three friends equals 9 : 7:12. If the difference between 1 largest and the smallest number equals 25, find the marks of the three friends. 2 If the number of girls is of the number of boys. find tudante​

Answer 1

Answer:

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Answer 2

Answer:

45,35,60

Let the no of marks obtained by 3 friends be 9x , 7x ,12x

12x - 7x = 25

5x = 25

x = 5

marks obtained by 3 friends are

9x = 45

7x = 35

12x = 60

tudante​ = 45,35,60

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