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1. The cost, in taka, of manufacturing x microwaves is 6000+300x taka. The amount received when selling these x microwaves is 700x taka. What is the least number of microwaves that must be manufactured and sold so that net profit is Tk. 2,400?
- A. 15
- B. 15
- C. 15
- D. 15
Answer: Option B
Explanation:
700x - 6000 - 300x = 2400
400x = 8400
x = 8400/400
x = 21
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