Question

The weight of 72 books is 144 kg .What is the weight of 10 such books

Answer 1

Answer:

weight of 72 book is 144 kg weight of one book will be 144 / 72 is. 2

Weight of 10 book will be 2*10 is 20

Step-by-step explanation:

So the weight of 10 books will be 20...

Unitary method

Answer 2

Answer:

20 kg

Step-by-step explanation:

144/72 =2

2 *10= 20