Question

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

Answer 1

QUESTION :

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

ANSWER:

length=1m=100cm

breadth=70cm=0.7m

now

area of rectangle=l×b

=1×0.7

=0.7m²

but the rate is rs80 per m²

so for 0.7m² rate = 80 ×0.7

=Rs56

Answer 2

Answer:

Step-by-step explanation:

1m = 100 cm

70cm = 70/100 = 0.7 m

area of rectangular piece of plastic sheet = l x b

1m x 0.7m

0.7m2.

cost at the rate rs. 80 per sq. m = 0.7 x 80 = rs. 56.0

rs. 56.

hope this help you .... :))