Question

A rectangular piece of plastic sheet measures 1 metre by 70 cm. Find its cost at the rate of ₹80 per square metre.

Answer 1

so now multiple 80* 0.7 gives 56 rupees

Answer 2

Breadth = 70m= 0.7m
Area = l*b = 1*0.7 m²=0.7m²
Cost= 0.7*80=₹56