The weight of 80 identical books is 400 kg. What is the weight of one such book?
10 kg
5 kg
15 kg
20 kg
Weight of 80 identical books = 400 kg Weight of 1 such book =40080=10×4010×8=408=5 kg
The weight of 80 identical books is 320 kg. What could be the ratio of weight of one such book?
The weight of 80 identical books is 400 kg. The weight of one such book is ___
The weight of 50 identical books is 25 kg. What is the weight of one such book?