Answer:
Width = 7, Length = 42
Explanation:
Length is 6 times its width, means that it's the same number but times 6 so we'll use "x" for both length and width:
6x ยท x = 294
6x^2 = 294
divide both sides by 6
x^2 = 49
=
x = 7, width is 7 and length is 6(7) = 42