Walkie-talkie on a 15 mile radius
Dennis and Chris Reed leave simultaneously from the same point hiking in opposite directions, Dennis is walking at 4 miles per hour and Chris at 2 mph. How long can they talk on their walkie-talkies if the walkie-talkies have a 15 mile radius?
When will two trains meet
Two trains leave a station, 304 miles apart, at the same time and travel toward each other. One train travels at 105 miles per hour, while the other travels at 85 miles per hour. How long will it take for the two trains to meet?
Charlie and Chang go driving
Charlie and Chang start at the same point and drive in opposite directions. Charlie drives 44 mph and Chang drives 46 mph. How far apart will they be in 2 hours?
Distance, rate, time problem
Art leaves his house at 10 o'clock traveling at 50 mph. Jennifer leaves her house at 10:30 traveling at 60 mph. At what time will Jennifer catch up to Art?
I need help with this word problem: 2 trains leave San Francisco at the same time in the same direction. The first train travels 55 mph and the second 68 mph. When will the two trains be 390 miles apart?
Two high speed trains are 240 miles apart and traveling toward each other. They meet in 2 hours. If one trains speed is 10 miles per hour faster than the other, find the speed of each train.
Cars, buses, and algebra
A high school marching band of 205 students went to a competition. They took 9 vehicles, some cars and some buses. Find the number of cars and the number of buses they took if each car holds 5 students and each bus hold 45 students.
Distance, Rate, Time Problem
Sheila leaves on a long trip driving at a steady rate of 25 miles per hour. Her sister Allison leaves from the same location traveling to the same destination 2 hours later. She drives at a steady rate of 50 miles per hour. How long after Sheila leaves home will Allison catch up?
Two trains leave a station at the same time, heading in opposite directions. One train is traveling at 80 km/h, the other at 90 km/h. How long will it be for the trains to be 425 km apart?