Question

7. The weight of 64 books is 8 kg. What is the weight of 256 such books? How many
such books will weigh 5 kg? (Hint: First find the weight of l book and then multiply it
with the required number of books. Secondly, find the number of books that weighi
kg and then multiply it with the required weight of the books.)​

Answer 1

40 books

EXPLAINING

64 books = 8 kg

Solution

One book = 8/64 kg = 1/8 kg

then

weight of 256 books = 1/8 ×256 = 32 kg

No.of books weighting 5kg = 5/(1/8) = 40 Books

Answer 2

ans 64 books is 8kg

then the 256 books weight is

64×4=256