A jet left the airport eight hours before a passenger plane. The planes flew in opposite directions. The passenger plane flew at 170 mph for four hours. After this time the planes were 4340 mi. apart. What was the jet's speed?

Respuesta :

Answer:

The jet was traveling at 244.5 mph

Step-by-step explanation:

170x4=428

4340-428=3912

3912/4=978

978/4=244.5