Question

A carpet is 30m 75cm long and 80cm wide find its cost at rs150 per square metre

Answer 1

Length = 30m 75cm = 3075 cm

Breadth = 80 cm  

so , area of this rectangle = l × b

= 3075×80

= 30750×8

= 246000 cm ^2

= 2460 m^2

so , cost shall be ,  

2460×150

369000 rupees.

hope it helps!!

Answer 2

Answer: 369 rs

Length * breadth = 2.46m

1m costs 150rs so 2.46 m costs 369 rs