The sides of the cubical box is 40cm. The lateral faces of this box are to be covered colour paper. if the cost of the paper measuring 4 cm×3 cm is $24 find the cost of the paper required to cover the lateral faces.
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Step-by-step explanation:
given side of cube a=40cm
l.s.a of cube =4 asquare
=4*40cm square
=4*1600sq cm
=6400sq cm
cost ofpaper=24/12*6400
=12800
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