Answer :
To solve this problem we can visualize our rectangle as follows:
So, as shown above, we can consider x and y as the rectangle sides and y = 7x. Once we know the perimeter, now we can calculate x as follows:
So, we have:
So:



To solve this problem we can visualize our rectangle as follows:
So, as shown above, we can consider x and y as the rectangle sides and y = 7x. Once we know the perimeter, now we can calculate x as follows:
So, we have:
So: