A closed wooden box 80cm long 65 cm wide and 45 cm is made of 2.5 cm thick would find the capacity of the box and weight if 100 cm cube of wood weighs 8 gram
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The box is made up of wood of 2.5 cm therefore from length,breath and height we will subtract 2×2.5 because of two length breath and height.
80-5 =75
65-5=60
45-5=40
For capacity we have to find volume that is length × breath × height
=75×60×40
=18000cmcube
100cmcube =8gram
18000cmcube = 18000/8
=2250gram
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