Respuesta :

Answer:

L x (.3 * L) = Area

Step-by-step explanation:

30% = 0.3  so width = 0.3 times L

area is L x W

Step-by-step explanation:

Let length be x

width=30% of x

=30/100×x

=3x/10

then,l×b is area formula of rect

x*3x/10

3x^2/10

if this answer is going wrong plz sorry