Question

14. The weight of 65 books is 13 kg
@ What is the weight of 80 such books?
(u) How many such books weigh 6.4 kg?
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Answer 1

Answer:

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Step-by-step explanation:

Weight of 65 books =13 kg

Weight of 1 book =6513 kg

Weight of 80 books =6513×80=16 kg

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Answer 2

Answer:

The weight of 65 books is 13 kg

i) Weight of 1 Book = 13/65 Kg

Weight of 80 Books = 80 × 13/65 = 1040/65

= 16 Kg

ii) N number of books weighing 13 Kg = 65

Number of books weighing 1 kg = 65/13 = 5

number of books weighing 6.4 Kg = 6.4 × 5 = 32.

Step-by-step explanation:

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