Question 549282
25cm*20cm*5cm -------------- 250 boxes
surface areaof 1 box  = 2(25*20)+2(20*5)+2(5*25)=1450 sq.ft

for 250 boxes=362500 cm^2
5% extra
=362500*1.05=380625 cm^2
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15cm*12cm*5cm.----------------- 250 boxes

surface area = 2(15*12)+2(12*5)+2(5*15)=630 cm^2
250 boxes = 250*630=157500 cm^2
5% extra =1.05*157500=165375 cm^2
Total card board required=362500+165375=527875 cm^2

for 1000 cm^2 Rs.4
for 527875 cm^2= ?
Rs. 2111.50

m.ananth@hotmail.ca