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rohitrathee30:
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hey
____________
bigger box
_____________
TSA = 2(lb+bh+lh)
2(25×20+20×5+25×5)
=1450 cm^2
extra area req = 5% of 1450
= 5/100×1450
=72.5cm^2
total area req for bigger box
= total surface area + extra area req
= 1450+72.5
=1522.5cm^2
total area req for 250 boxes
=area of 1 box ×250
=1522.5 × 250
=380625 cm
smaller box
______________
TSA =2(lb+bh+lh)
=2(15×12+12×5+5×15)
=630cm^2
extra area = 5℅ of 630
= 5/100×630 = 31.5 cm
total area of smaller box
= 630+31.5
=661.5 cm
area req for 250 boxes
=661.5×250cm^2
=165375cm^2
total cardboard sheet required
=165375+380625
=546000
cost of carboard of 1000cm =₹4
cost of carboard of 546000 cm = ₹4/1000×546000
=₹546×4
=2184
hope helped
_____________
____________
bigger box
_____________
TSA = 2(lb+bh+lh)
2(25×20+20×5+25×5)
=1450 cm^2
extra area req = 5% of 1450
= 5/100×1450
=72.5cm^2
total area req for bigger box
= total surface area + extra area req
= 1450+72.5
=1522.5cm^2
total area req for 250 boxes
=area of 1 box ×250
=1522.5 × 250
=380625 cm
smaller box
______________
TSA =2(lb+bh+lh)
=2(15×12+12×5+5×15)
=630cm^2
extra area = 5℅ of 630
= 5/100×630 = 31.5 cm
total area of smaller box
= 630+31.5
=661.5 cm
area req for 250 boxes
=661.5×250cm^2
=165375cm^2
total cardboard sheet required
=165375+380625
=546000
cost of carboard of 1000cm =₹4
cost of carboard of 546000 cm = ₹4/1000×546000
=₹546×4
=2184
hope helped
_____________
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