A solution something something and that’s the answer
Answer:
Your answer to the problem is D
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
Answer: x = -3, -1/3, 1/2, 3
Step-by-step explanation: