Respuesta :

irspow

Answer:

Step-by-step explanation:

A=LW, given A=20, W=5

5L=20

L=4m

This year the length will be 3L=3(4)=12m

and W this year will be 2W=2(5)=10m

So the new garden will be 12m by 10m (with an area of 12(10)=120m^2)