Question

A car travels 200 miles east in 4 hours and 300 miles west in 5 hours. What is the average speed of the car for the entire trip?
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Answer 1

Step-by-step explanation:

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Answer 2

The average speed of the car for the entire trip = 55.56 miles/hour

Given :

A car travels 200 miles east in 4 hours and 300 miles west in 5 hours

To find :

The average speed of the car for the entire trip

Solution :

Step 1 of 2 :

Calculate total distance traveled and total time taken

Here it is given that a car travels 200 miles east in 4 hours and 300 miles west in 5 hours

Total distance traveled

= (200 + 300) miles

= 500 miles

Total time taken

= (4 + 5) hour

= 9 hour

Step 2 of 2 :

Calculate average speed of the car for the entire trip

The average speed of the car for the entire trip

$\displaystyle \sf = \frac{Total \: distance \: traveled} {Total \: time \: taken}$

$\displaystyle \sf = \frac{500}{9} \: \: miles/hour$

$\displaystyle \sf \approx \: 55.56 \: \: miles/hour$

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