Question

find the cost of a painting of a wall which has 3m lenth a nd 5m breath and 10ruppes per square​

Answer 1

Step-by-step explanation:

length of the wall = l = 3m

breadth of the wall = b = 5m

Area of the wall = l x b = lb = 5m x 3m = 15 sq .m

rate of painting = Rs10/sq. m

cost of painting = area of the wall x rate of painting

= 10 x 15 = Rs150

Answer 2

Step-by-step explanation:

Area of a rectangular wall = l×b

= 5×3=15 sq m.

Cost of painting=15×10=Rs.150.