Question

a rectangular piece of plastic sheet measures 1 m by 70 cm find its cost at the rate of rupees 80 per square metre

Answer 1

i hope it will help u

Answer 2

L = 1m
L=1 m, B= 70 cm
1 m =100cm
L=100cm
area of rectangular piece =l×b
=100x70
=7000 cm
rate of rs 80 per sq =80x7000
=rs 560000 ans