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21 binders can bind 1400 books in 15 ...

21 binders can bind 1400 books in 15 days. How many binders will be required to bind 800 books in 20 days? `7` b. `9` c. `12` d. `14` e. none of these

A

7

B

9

C

12

D

14

Text Solution

Verified by Experts

The correct Answer is:
B
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