Question

sabendo que m/n=5, qual o valor de m+5n/m-n ?

Answer 1

m/n= 5
m+5n/n-n

4(5-5n)+10n=16 
20-20n+10n=16 
-10n= 16-20 
-10n=-4 
10n=4 
n= 4/10= 2/5 

m= 5-(5.2/5)= 5-(2)= 5-2=3 

m+n= 3+2/5= 17/5