Question

The average age of three boys is 25 years and their ages are in the ratio 3 : 5 : 7. the age of the youngest boy is:

Answer 1

Answer:

15

Step-by-step explanation:

(3x + 5x +7x )/ 3 = 25

15 x =75

x = 5

the age of the youngest boy = 3x = 15.

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