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16 Sep 2014, 00:38
Kudos
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If 160 kg of dry wood pulp is required to produce 50 sheets of paper, how much raw pulp is needed to produce 200 sheets of paper, considering that raw pulp loses 20% of its weight during desiccation to become dry pulp?
A. 400
B. 600
C. 640
D. 800
E. 850
A. 400
B. 600
C. 640
D. 800
E. 850
16 Sep 2014, 00:38
Kudos
Bookmarks
Official Solution:
If 160 kg of dry wood pulp is required to produce 50 sheets of paper, how much raw pulp is needed to produce 200 sheets of paper, considering that raw pulp loses 20% of its weight during desiccation to become dry pulp?
A. 400
B. 600
C. 640
D. 800
E. 850
Given that 160 kg of dry wood pulp produces 50 sheets of paper, for 200 sheets, we would need 160*4 = 640 kg of dry wood pulp.
Given that 1 kg of raw pulp results in 0.8 kg of dry wood pulp after desiccation, to obtain 640 kg of dry pulp, we would require \(\frac{640}{0.8} = 800\) kg of raw pulp.
Answer: D
If 160 kg of dry wood pulp is required to produce 50 sheets of paper, how much raw pulp is needed to produce 200 sheets of paper, considering that raw pulp loses 20% of its weight during desiccation to become dry pulp?
A. 400
B. 600
C. 640
D. 800
E. 850
Given that 160 kg of dry wood pulp produces 50 sheets of paper, for 200 sheets, we would need 160*4 = 640 kg of dry wood pulp.
Given that 1 kg of raw pulp results in 0.8 kg of dry wood pulp after desiccation, to obtain 640 kg of dry pulp, we would require \(\frac{640}{0.8} = 800\) kg of raw pulp.
Answer: D
20 Oct 2023, 07:42
Kudos
Bookmarks
I have edited the question and the solution by adding more details to enhance its clarity. I hope it is now easier to understand.
