Question

students in a commerce class took a test. the average score of men is 70 and of women is 83. the class average is 76. what is the ratio of men to women in the class ?​

Answer 1

Answer:

According to formula of conbine mean

$76 = \frac{70 \times m + 83 \times w}{m + w} \\ 76w + 76m = 70m + 83w \\6m = 7w \\ \frac{m}{w} = \frac{7}{6}$

Answer 2

Answer:

this is correct.......