The weight of 56 books is 8kg. Whatweight of 152 such books? How many such books weights 5kg?
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56 books=8kg
1book=0.14kg
152 books=21.28kg
1kg=7books
so 5kg=35books
1book=0.14kg
152 books=21.28kg
1kg=7books
so 5kg=35books
Answered by
4
Answer:
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 800056=142.86 grams.
Now you can compute weights of 152 books =152⋅142.86=21715 grams or approximately 21.7 kg.
If you want to buy 5 kg book, you need to get 5000142.85=35 books. In other words, 35 books weigh 5 kg (or 5000 grams).
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 800056=142.86 grams.
Now you can compute weights of 152 books =152⋅142.86=21715 grams or approximately 21.7 kg.
If you want to buy 5 kg book, you need to get 5000142.85=35 books. In other words, 35 books weigh 5 kg (or 5000 grams).
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