A company president flew 740 miles in a corporate jet but returned in a smaller plane that could fly only half as fast. If the total travel time was 6 hours, find the speeds of the planes.

Respuesta :

Answer:

Corporate jet = 370 mph

Smaller plane = 185 mph

Step-by-step explanation:

The relationship between the first leg and the second leg of the flight is:

[tex]2t_1=t_2[/tex]

Total travel time is:

[tex]t_1+t_2=6\ hours\\t_1+2t_1=6\\t_1=2\ hours[/tex]

The speed of the corporate jet is:

[tex]v=\frac{740\ miles}{2\ hours}\\v=370\ mph[/tex]

The speed of the smaller plane is half of that of the jet:

[tex]v_2=\frac{370}{2}\\ v_2=185\ mph[/tex]

Therefore, the corporate jet travels at 370 mph and the smaller plane travels at 185 mph.