The width of the road is four meters. The roller runs for half an hour. It can press a large area of road
Solution: it is known that a roller runs 25 meters per minute and the width of the roller is =4 meters,Get the roller area per minute of the roller= running length per minute * width of road=25 * 4=100 square metersAnd roller drive for half an hour, half an hour =30 minutes,Roller must be driven for half an hour= pressing area per minute * road time=100 * 30=3000 square metersAnswer: roller run for half an hour, can press 3000 square meters of road.
Solution: it is known that a roller runs 25 meters per minute and the width of the roller is =4 meters,Get the roller area per minute of the roller= running length per minute * width of road=25 * 4=100 square metersAnd roller drive for half an hour, half an hour =30 minutes,Roller must be driven for half an hour= pressing area per minute * road time=100 * 30=3000 square metersAnswer: roller run for half an hour, can press 3000 square meters of road.
Solution: it is known that a roller runs 25 meters per minute and the width of the roller is =4 meters,Get the roller area per minute of the roller= running length per minute * width of road=25 * 4=100 square metersAnd roller drive for half an hour, half an hour =30 minutes,Roller must be driven for half an hour= pressing area per minute * road time=100 * 30=3000 square metersAnswer: roller run for half an hour, can press 3000 square meters of road.
