Answer to Question #247360 in Algebra for M.l

Question

Ivan and 5 sportsmen took part in a final 100-meter dash (all sportsmen start running simultaneously). It is known that Ivan won the dash. At the moment when 9 seconds passed from the start, all sportsmen together ran 290 meters (and nobody finished the race yet). At the moment Ivan finished the dash, the other 5 sportsmen had to run a total of 100 meters. How many meters did Ivan run during 9 seconds? (During the dash, all runners move at a constant speed.)  

Answer 1

During the during 9 seconds, Ivan had run 100 meters. The distance that the five ran after I van had completed the race was the distance that Ivan covered in 9 seconds.