A swim race has a total distance of 27.5 mi. Race officials want to mark the course every 1100 yd with a buoy, including one at the finish line. (The starting line does not need a buoy.) How many buoys are needed? First fill in the blanks on the left side of the equation using three of the ratios shown. Then write your answer on the right side of the equation. 3 11 1 yd 5280 ft 1 mi 1100 yd 1 buoy " yd mi R t' : a '5 1 yd 3 1 mi 5280 1': 1 buoy 1100 yd In buoy 27.5 ' lml x I x X = Dbuoys X 5)