The wight of 72 books is 9 kg. What is the wight of such 40 books?

Weight of 72 books = 9 kgWeight of 1 book = 972 kg = 18 kgWeight of 40 books = 18 × 40 = 5 kg

  • 0
No . of books for 1 kg = 72 / 9 = 8
Weight of 40 such books = 40 / 8 = 5
 
  • 2
weight of 72 books=9kg
weight of 1 book=72/9=8
​weight of 40 such books=8*40=5kg
 
  • 3
Ananya. 8*40 will be 320 kg
  • -1
72/9=8
so 40 such books=8x40=320  kg
 
  • -1
find the cost of one book and then multiply the cost by320
 
  • -2
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