83.33% (83.333333333333333333333333333333 etc %)
The increase from 50 to 60 is 20%
50 minutes as a percentage of 1 hour 50 minutes as a percentage of 60 minutes = 100*50/60 = 83.33...%
30 out of 60 is 50%
50/60 = 5/6 = 831/3 %
60%
30 out of 60 = 1/2 which is equal to 50%
50%
120%
It is: 60%
% rate= 30/60 * 100% = 50%
Expressed as a percentage, 30/60 x 100 = 50 percent.