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gabbytumey
13.02.2020 •
Engineering
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 ).
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Ответ:
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 =![\frac{distance}{speed}](/tpl/images/0509/2295/f0b80.png)
time =
time = 2.56 hr
so time is 2 hour and 32 min
Ответ:
it’s 8.3
Step-by-step explanation:
First u Divide 30 and 5 to get six. Then when u do that u divide 50 and 6 to get ur answer