Question

A car travels 300 km in 5.5 hours and another 400km in 8.5 hours. What is the average speed of entire journey ?

Answer 1

please refer the image

thanks

Answer 2

SOLUTION

GIVEN

A car travels 300 km in 5.5 hours and another 400km in 8.5 hours.

TO DETERMINE

The average speed of entire journey

EVALUATION

Here it is given that the car travels 300 km in 5.5 hours and another 400 km in 8.5 hours.

Total distance covered

= 300 km + 400 km

= 700 km

Total time taken

= 5.5 hours + 8.5 hours

= 14 hours

Hence the average speed of entire journey

$\displaystyle \sf{ = \frac{700}{14} \: \: km /hour}$

$\displaystyle \sf{ = 50 \: \: km /hour}$

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