A box which measures 70cm x 36cm x12cm is to be covered with canvas. How many metres of canvas of width 80 cm would be required to cover 150 such boxes ?
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Step-by-step explanation:
Dimensions of the box =70cm×36cm×12 cm
Width of the canvas =80cm
No. of boxes= 150
Total surface area= 2 (l+b)h
=2 (70+36)12 cm
=2544cm
Length ofCanvas needed for 1 box =2544/80cm
=31.8cm
Length of canvas needed for 150 boxes= 4770cm
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