Out of 200 students in a school, 30 have brown sandals. What is the probability that a student chosen at random would have brown
2 answers:
You might be interested in
Answer: C. 6
Step-by-step explanation:
Given : Time taken by Machine R to do the job = 36 hours
Time taken by Machine S to do the job = 18 hours
Let x be the number of each type of machine to do the job.
Then , according to the question the required equation will be :-
Hence, the number of machines of type R were used =6