Question

the length of rectangles is 30cm having the perimeter of 100cm find the cost of paying marbles on its surfaces at the rate of rs 40 per square metres​

Answer 1

Answer:

Here is your answer mate

Step-by-step explanation:

Length of Rectangle = 30 cm

Perimeter = 100 cm

100 x 30 cm

= 3, 000 cm

Rate is = 40 % sq m

Then add this rate

40 + 40

= 80 %