Together it takes three different machines \(5\) hours to complete a job. The first machine takes \(10\) hours to complete the job alone and the second machine takes \(15\) hours to complete the job alone. How many hours would it take the third machine alone to complete the job?
A. \(20\)
B. \(25\)
C. \(30\)
D. \(35\)
E. \(40\)
The OA is C
Together it takes three different machines \(5\) hours to complete a job. The first machine takes \(10\) hours to
This topic has expert replies
-
- Moderator
- Posts: 2215
- Joined: Sun Oct 15, 2017 1:50 pm
- Followed by:6 members
Timer
00:00
Your Answer
A
B
C
D
E
Global Stats