Question 881781
L * W = Area
L = 2W
Substitute the value of L from the second equation into the first.
2W * W = 50
2W^2 = 50
Divide each side by 2
w^2 = 25
Take the square root of each side
w = 5
.
If the width is 5, then the length is twice that, or 10.  10*5=50
Success!