Question

1 mtr.is equal to 400 rupees so what wil be the rate of 80 cm

Answer 1

As 1 mtr =100cm
100 cm = 400₹
80 cm =?
By cross multiply
400x80/100
=320 ₹

Answer 2

Answer:

100cm = 400 rs

Therefore 1 cm will be

400/100 rs = 4 rs

Therefore

If 1 cm = 1 rs

80 cm = 80 × 4 rs

= 320 rs

Hope it answers your question