Question

16 articles cost 72 ruppes .
1 article costs ..........
30 articles cost............​

Answer 1

Answer:

1 article costs 4.5 rupees

30 articles costs 4.5×30= 135

Answer 2

16 articles=72rs.

1 article=72/16=4.5rs.

therefore 30 articles=4.5×30=135rs.