Question

fill in the table...​

Answer 1

Answer:

(a) 10

(b) 20

(c) 30

(d) 40

EXPRESSION:

Let the price of a book be 'x'

So, costs;

(a) x

(b) x + x = 2x

(c) x + x + x = 3x

(d) x + x + x + x =4x

Answer 2

20 ਰੁਪਏ—₹20

30 ਰੁਪਏ—₹30

40ਰੁਪਏ—₹40