I ILuVeDIE Guest Oct 27, 2008 #1 ...bicycle at 16km/h.... ? ...the entire trip took 4 hours. how far was the service station from m/ reck's home? help me! i keep getting bogus answers!
...bicycle at 16km/h.... ? ...the entire trip took 4 hours. how far was the service station from m/ reck's home? help me! i keep getting bogus answers!
J Jun Agruda Guest Oct 27, 2008 #2 Distance (x): x/48 + x/16 = 4 x + 3x = 192 4x = 192 x = 48 Answer: 48 kilometers Proof (entire trip is 4 hours): = (48 km/48 kph) + (48 km/16 kph) = 1 hour + 3 hours = 4 hours An hour ride by car and 3 hour-ride by bicycle makes it 4-hour ride to and fro.
Distance (x): x/48 + x/16 = 4 x + 3x = 192 4x = 192 x = 48 Answer: 48 kilometers Proof (entire trip is 4 hours): = (48 km/48 kph) + (48 km/16 kph) = 1 hour + 3 hours = 4 hours An hour ride by car and 3 hour-ride by bicycle makes it 4-hour ride to and fro.