Question

Find the cost of painting a wall 11 m long and 8m wide at 6.50 per square metre

Answer 1

area of wall = length X breadth .
=> 11×8
=> 88metre square.
cost of painting at 6.50 per square metre = 88×6.50
=> 572
hence, the required cost is 572 rs.

Answer 2

here

l=11m
b=8m

area of rectangle = l*b

=11*8
=88 sq m
cost of painting per square m is 6.50
= 88*6.50
=572rs