Math, asked by pabitrabiswal109, 1 year ago

the average age of the three boys is 15 years.their ages are in the ratio 3:5:7.Then what is the age of the oldest boy ?

Answers

Answered by netradubal02

5

3x+5x+7x/3 = 15 15x = 45 X=3 So oldest boy is 3*7=21 yrs Hope you can understand!!

pabitrabiswal109: thanks

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