Question

the perimeter of a rectangle is 40 m its length is four meters less than its five times its breadth find the area of the rectangle

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

Perimeter =40m

2(l+b)=40. L+b=20.—1

Given that : length is 4m less than 5times it’s breadth : 5b-4=l —2

Subs 2 in 1

5b-4+b=20

4b=24

B=6–(3)

Subs 3 in 1

L=14

Area of rectangle = l*b

= 14*6

=84cm^2