Question

Find m:n if 5m+n/n-m=5=7​

Answer 1

Step-by-step explanation:

$\frac{5m + n}{n - m} = \frac{9}{7}$

$7(5m +n ) = 9(n - m)$

$35m + 7n = 9n \: - 9m$

$35m + 9m = 9n - 7n$

$44m = 2n$

$\frac{m}{n} = \frac{2}{44}$

$\frac{m}{n} = \frac{1}{22}$

so, m : n is 1 : 22 .