Answer:
Therefore the friends will have to buy 511 feet of fence (rounding up) or 510 feet of fence ( to the nearest foot).
Step-by-step explanation:
i) perimeter of rectangular yard = 319 feet
ii) perimeter of yard of friends [tex]= \frac{8}{5} \times 319 = 510.4[/tex]
iii) Therefore the friends will have to buy 511 feet of fence or 510 feet of fence ( to the nearest foot).
