Question

2. 15 books weigh 6 kg. What will 6 books weigh?

(a) 1.2 kg
(b) 2.4 kg
(c) 3.8 kg
(d) 3 kg

I also need explanation ​

Answer 1

(b) 2.4kg

Known

15 books = 6kg

Question

6 books = ?kg

Way to do

#Find the weight of 1books first

6kg : 15 = 0.4kg

#After that you times 6 to find the weight of 6 books

0.4kg × 6 = 2.4kg

#So the weight of 6 books is 2.4kg