A closed box with length 30 cm, breadth 22.5 cm and height 20 cm is to be made with cardboard sheet. assuming that 10% extra cardboardis required tfor the folds, find
the total surface area of the box,
area of the cardboard required for one box,
cost of making 50 boxes, if the cardboard costs Rs.30 for 1000 cm2.
Answers
Answered by
6
Answer:
₹3500. is the correct answer
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Answered by
17
Answer-
1. TSA of cardbord= 2(lb+bh+hl) = 2(30×22.5+22.5×20+20×30) = 3450 sq. cm
2. Area of cardboard required for one box= TSA of cardbord + 10℅ of TSA
= 3450 + 10% × 3450
= 3450 + 345
= 3795 sq. cm
3. Cost of making 50 box = 50× cost of one box
= 50×[ (3795÷1000) × 30 ]
= 50× 113.85
= ₹ 5692.50
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