Answer:
420.31
Step-by-step explanation:
A
.Rs.420.31
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The first answer is the correct one
400/1600 =25%
Explanation:
Total=1,200+400=1,600
14000+7x=35x (x being the number of books) solve for x and you have your answer. 14000=35x-7x=28x therefore x=14000/28=500 so he needs to sell 500 books before he breaks even.
