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Four editors can proofread 4 documents in 4 hours. How many editors would be required to proofread 80 documents in 2 hours, if all editors proofread all documents at the same constant rate?
(A) 120
(B) 130
(C) 140
(D) 150
(E) 160
(A) 120
(B) 130
(C) 140
(D) 150
(E) 160
13 Jul 2021, 08:44
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Four editors can proofread 4 documents in 4 hours. How many editors would be required to proofread 80 documents in 2 hours, if all editors proofread all documents at the same constant rate?
4 documents in 4 hours by 4 authors.
So, 2 documents in 2 hours by 4 author
2 documents ---> 4 authors
80 documents ---- ?
Cross multply =80*4/2 = 160 authors.
4 documents in 4 hours by 4 authors.
So, 2 documents in 2 hours by 4 author
2 documents ---> 4 authors
80 documents ---- ?
Cross multply =80*4/2 = 160 authors.
