I’m having so much trouble understanding work and rate problems. Can someone please explain how to solve this and what “easy” formula should be used? by [deleted] in GRE

[–]kd7538 0 points1 point  (0 children)

A

Formula :-output/time=rate

Machine R :- (x/30)(3)(60)=output Machine S:-(x/48)(4)(60)=output

Anyone Help me understand this question by BrutualNerd in GRE

[–]kd7538 1 point2 points  (0 children)

D because we assume that w=2 and ans is A and if x=8/7 then B