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wilkinsonei4069
04.07.2019 •
Mathematics
An airplane flew at an average rate of 600 miles per hour from tokyo to seattle. because of a strong headwind, the average rate of the return trip was only 480 mph. the round trip took 18 hours. which equation can be used to determine the time for each leg? 600t = 480t 600t = 18 – t 600t = 480 – t 600t = 480(18 – t)
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Ответ:
Option D. 600t = 480( 18-t )
Step-by-step explanation:
An airplane flew at an average rate of 600 miles per hour fro Tokyo to Seattle.
Let the airplane travels for t hours so distance covered by the airplane will be = speed × time
= 600t miles
Similarly, average speed in return trip was 480 mile/hour. So distance covered in return trip = speed × time
= 480 ( 18-t ) [ since time taken by plane in round trip was 18. So time taken in return trip will be ( 18-t) ]
Therefore, distance traveled in one trip = distance covered in return trip
600t = 480( 18-t )
Option D is the answer.
Ответ:
because nothing in the numerator can be simplified.
Now you have to do 5/8÷3/4 in it's lowest terms=
5/6 so that's your answer in it's simplest forms.
Hope this helped you! :)