Question

in a bookstore 60 identical books occupy a lenght of 1.5m on a shelf find the lenght occupied by 50 such books on a shelf the number of such books needed to completely occupy a shelf that is 80 cm long​

Answer 1

Answer:

32

Step-by-step explanation:

1.space of 60 books = 1.5m = 150cm

space for one book = 150/60 = 2.5cm

no of books occupy the space of 80cm = 80/2.5 = 32books

2.no.of book -60|x2

shelf lenght -1.5|80

direct proportion ,

1m=100cm

1.5m=1.5×100=150

60/150=x2/80

2/5×80

2×16=32

×2=32

Therefore, 32 books are needed to fill the shelf

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