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sanju09
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It takes machine A x hours to manufacture a deck of cards that machine B can manufacture in 1/x hours. If machine A operates alone for y hours and is then joined by machine B until 100 decks are finished, for how long will the two machines operate simultaneously?
(A) (100 y - x)/ (x^2 + 1)
(B) (100 x - y)/ (x^2 + 1)
(C) (100 y - x^3 - x)/ (x^2 + 1)
(D) (100 y - x^2 y - y)/ (x^2 + 1)
(E) 100 x/ (x^2 + 1)
(A) (100 y - x)/ (x^2 + 1)
(B) (100 x - y)/ (x^2 + 1)
(C) (100 y - x^3 - x)/ (x^2 + 1)
(D) (100 y - x^2 y - y)/ (x^2 + 1)
(E) 100 x/ (x^2 + 1)
The mind is everything. What you think you become. -Lord Buddha
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
