ununoctrium4313 ununoctrium4313 27-12-2023 Physics contestada A runner's racecourse has a total distance of 10 mi. Race officials want to mark the course every 275 yd with a flag, including one at the finish line. (The starting line does not need a flag.) How many flags are needed? 1) 5 2) 10 3) 15 4) 20