Answer: The required length and breadth of the rug are 46 yards and 189 yards respectively.
Step-by-step explanation: Given that a rectangular rug has a perimeter of 470 yards. The width of the rug is 5 yards more than four times the length.
We are to find the length and width of the rug.
Let l represents the length of the rug. Then, the width of the rug will be

According to the given information, we have

So, the width is given by

Thus, the required length and breadth of the rug are 46 yards and 189 yards respectively.