Answer:
X=7
Step-by-step explanation:
Since area of a rectangle is 294
Area of a rectangle=length×breadth
Let's the width be x
Since length is 6 times of width=6x
Area=l×w
294=x×6x
294=6x^2
Divide both sides by 6
x^2=49
Square root both sides
x=7
Therefore x is 7