Math, asked by raeeshjoshi, 7 months ago

The average age of 80 girls is 15 years and the average age of x boys is 20 years. If the average age of all is 16 years, find the number of boys (x).

Answers

Answered by gyanianupama

Explanation: Total ages of 80 boys = 15 x 80 = 1200 yrs. Total age of 25 boys = 14 x 25 = 350 yrs. Average age of remaining boys = 1200 - (240+350) / 80 - (25+15) = 610/41 = 15.25 yrs.

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The average age of 80 girls is 15 years and the average age of x boys is 20 years. If the average age of all is 16 years, find the number of boys (x).​

Answers

The average age of 80 girls is 15 years and the average age of x boys is 20 years. If the average age of all is 16 years, find the number of boys (x).