You normally drive on the freeway between San Diego and Los Angeles at an average speed of 105 km/h (65 mi/h), and the trip takes 1 h and 50 min. On a Friday afternoon, however, heavy traffic slows you down and you drive the same distance at an average speed of only 75.0 km/h (47 mi/h ).

time is 2 hour and 32 min

Explanation:

given data

normal average speed = 105 km/h = (65 mi/h)

trip time takes = 1 h and 50 min = 1.83 hr

average speed with heavy traffic = 75.0 km/h = (47 mi/h )

to find out

How much longer does the trip take

solution

we know that here total distance that is express as

Total distance = Average speed × Total time  ..................1

Total distance = 105 × 1.83

Total distance = 192.15 km ( distance between San Diego and Los Angeles )

and when average speed 75 km/h

time will be

time =

time =  

time = 2.56 hr

so time is 2 hour and 32 min

answer:

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explanation: