Question

The weight of 20 books is 17 kg.Find total weight of 64 such books.

Answer 1

Answer:

54.4 kg

Step-by-step explanation:

Weight of 20 books = 17 kg

Weight of 1 book = 17/20 kg

Weight of 64 books = 17/20 * 64 kg

= 54.4 kg

Answer 2

$17 \div 20 \times 20 \times 0.85 = 14.45$