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In a book store 60 identical books occupy a length of 1.5 on a shelf find (ii) the number of such books needed to completely occupy a shelf that is 80 cm longplease answer correctly |
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Answer» Answer: ∴, 1 book occupies (1.5/60) m of shelf ∴, 200 books occupy {(1.5/60)×200} m of shelf =(1.5/6)×20 =30/6 =5m of shelf Ans. now, 5m=500cm is OCCUPIED by 200 books ∴, 1cm is occupied by (200/500) books ∴, 80CM is occupied by (200/500)×80 books =(2/5)×80 =2×16 =32 books Ans. Hope it helps u |
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