Two Train Stations (P. 6 and P. 623) Are 100km Apart. One Train Starts from P. 6 at 7am and Travels Towards P. 623 at 20km/H Speed. Another Train Starts from P. 623 at 8am and Travels Towards P. 6 at 25km/H. What Time Do They Meet? Choose P. 8, 333, 457...
Publisher: Lulu Press, Inc.
Published: 2015
Language: eng
ISBN-13: 9781329492912