argent please solve the question..Area and Volume
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Step-by-step explanation:
a.) Area of photos = 3x4 = 12cmsq. (i.e Length x breadth)
Area of poster= 20x12= 240cmsq.
No. of photos which can be fitted are = 240÷12=20
Ans-20 photos are required to cover the poster.
b.) Area of sheets 20x5 =100 square inches
Area of wall = 200x200 =40000square inches
No. of sheets required = 40000÷100 = 400
Ans- 400 sheets are required to cover a wall.
c.)Area of one child painting= 12 x 12 =144 square inch
Area of wall needed to paint = 48 x 12 =576
No. of children require =576÷144=4
Ans-4 children are required to paint a wall.
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Answer:
answer 4 children are required to paint a wall
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