A person needs to pay Tk. 500 to buy pencils and Tk. X for any additional unit of pencil. If the coustomer pays a total of Tk. 4,700 for 1200 pencils, what is the value of X?
A. 4.0
B. 3.91
C. 3.85
D. 3.5
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সঠিক উত্তরঃ
D.
3.5
Explanation:
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