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At a photocopy center , the first 10 copies cost x taka each. Each of the next 50 copies costs 2 taka less per copy . From the 61 st copy on, the cost 1 Taka per copy, In terms of x how much does it cost in. Taka to have 200 copies made/

At a photocopy center , the first 10 copies cost x taka each. Each of the next 50 copies costs 2 taka less per copy . From the 61 st copy on, the cost 1 Taka per copy, In terms of x how much does it cost in. Taka to have 200 copies made/ Correct Answer 10x+240

প্রতি কপি x টাকা করে 10 কপিতে খরচ 10x টাকা। পরবর্তী 50 কপিতে খরচ 50(x  -  2 ) =  50x- 100 টাকা। পরবর্তী (200  -  60) বা 140 কপিতে খরচ 140 টাকা। ∴  200 কপিতে মোট খরচ (10x   +   50x  -  100   +   140)টাকা। Note: সঠিক উত্তর 60x   +   40 টাকা।

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