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Peter and Jacob were running. Both of them run with their constant speeds. They started at the same time and the same place. When Jacob reached the finishing line, Peter had only run of what Jacob had run. Jacob’s speed is 75 m/min (metre per minute) faster than Peter. What was Peter’s speed in m/min?
Peter and Jacob were running. Both of them run with their constant speeds. They started at the same time and the same place. When Jacob reached the finishing line, Peter had only run of what Jacob had run. Jacob’s speed is 75m/min (metre per minute) faster than Peter. What was Peter’s speed in m/min?
Peter and Jacob were running. Both of them run with their constant speeds. They started at the same time and the same place. When Jacob reached the finishing line, Peter had only run of what Jacob had run. Jacob’s speed is 75m/min (metre per minute) faster than Peter. What was Peter’s speed in m/min ?
Peter and Jacob were running. Both of them run with their constant speeds. They started at the same time and the same place. When Jacob reached the finishing line, Peter had only run 5/8 of what Jacob had run. Jacob’s speed is 75m/min (metre per minute) faster than Peter. What was Peter’s speed in m/min?
Question 10:
Peter and Jacob were running. Both of them run with their constant speeds. They started at the same time and the same place. When Jacob reached the finishing line, Peter had only run of what Jacob had run. Jacob’s speed is 75m/min (metre per minute) faster than Peter. What was Peter’s speed in m/min?
ai giúp dc tui sẽ tick 10 cái
binh di tu nha den truong ,trong nua quang duong dau binh di bo voi van toc 3km/gio,trong nua quang duong con lai binh di xe dap cung ban voi van toc 9km/gio.biet thoi gian binh di tu nha toi truong het 20phut,tinh quang duong tu nha binh den truong.
giup minh voi
binh di tu nha den truong trong nua quang duong dau binh di bo voi van toc 3km/gio trong nua quang duong con lai binh di xe dap cung ban voi van toc 9km/gio biet thoi gian binh di tu nha den truong het 20 phut tinh quang duong tu nha binh den truong
1 nguoi di bo trung binh 1/2 gio di duoc 2km 1 nguoi di xe dap trung binh 1 phut di duoc 250m.Tim ti so quang duong di duoc trong 1 gio cua nguoi di bo va quang duong di duoc trong 1/3 gio cua nguoi di xe dap
Charlie and Lily go on a 24 km run. They both usually run at 9 km/h. If Charlie runs at 2/3 his usual running speed, and Lily runs at 4/3 times her usual speed, how many more hours does it take Charlie to complete the run than it takes Lily to complete the run?