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/
Created: 5 years ago |
Updated: 3 years ago
best des
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।
Md Azizur Rahman
Founder of Satt
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