speed time work
6 machines 6x 12 1
? ? 8 1
As we know that machiens do the same work, we can say x=1, then they do 72, 72/8=9, 9-6=3 answer is 3
6 machines 6x 12 1
? ? 8 1
As we know that machiens do the same work, we can say x=1, then they do 72, 72/8=9, 9-6=3 answer is 3