A poster of size 40 cm by 30 cm is pasted on a cardboard. There is a 5 cm wide margin on all four sides of the poster.
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Answer:
600cm or 6m is the poster display size
Step-by-step explanation:
margin =5cm
30-5-5=20
40-5-5=30
area of the display of the rectangular poster
=L x B
=30 x 20
=600cm or 6m
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