Answer:
Step-by-step explanation:
Given
There are 120 Pianist in a competition
(a)In first round 30 pianist is selected
this can be done in 


(b)In the second round 5 pianist is selected out of 30
this can be doe by 


Answer:
4 h 45 min
Step-by-step explanation:
The answer is to put the data from least to greatest. You can’t do anything with the data until you put it from least to greatest. (I am 98% sure that is correct)