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Shanti Sweet Stall was placing an order ...

Shanti Sweet Stall was placing an order for making carboard boxes for packing their sweets. Two sizes of boxes were required. The bigger of dimensions `25cm xx20cm xx5cm` and the smaller of dimensions `15cm xx 12cm xx5cm`. For all the overlaps, 5% of the total surface area is required extra. If the cost of the carboard is Rs. 4 for `1000 cm^(2)`, find the cost of carboard required for supplying 250 boxes of each kind.

Text Solution

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TSA=250(TSA of bigger box+TSA of smaller box)
=250(2(lb+bh+hl)+2(LB+BH+HL))
=250(2(20*25+20*5+25*5)+2(15*12+12*5+15*5))
=520000`cm^2`
Total Area required=TSA
=`5/100*520000`
=26000
1000`cm^2`=4Rs
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