The weight of 56 books is 8 kg. What is the weight of 152 such books? How many such books weigh 5 kg?
1 Answer
Apr 7, 2017
One book weighs approximately 142.86 grams.
Explanation:
If a set of 56 books weighs 8000 grams, you can get average weight of a book, which is
Now you can compute weights of 152 books
If you want to buy 5 kg book, you need to get