A car moves 300 km at a speed of 45 kmph and then it increases its speed to 60 kmph to travel another 500 km. Find average speed of car.

A car moves 300 km at a speed of 45 kmph and then it increases its spe

1.	A car moves 300 km at a speed of 45 kmph and then it increases its speed to 60 kmph to travel another 500 km. Find average speed of car.
A.	\[47\frac{1}{3}\,kmph\]
B.	\[27\frac{1}{3}\,kmph\]
C.	\[53\frac{1}{3}\,kmph\]
D.	\[62\frac{1}{3}kmph\]
Answer» D. \[62\frac{1}{3}kmph\]