Two planes took off simultaneously from one city to two different points. Which of them will reach their destination
| September 4, 2021 | education
Two planes took off simultaneously from one city to two different points. Which of them will reach their destination faster if the first of them needs to fly twice the distance, but he flies twice as fast as the second?
Let’s write the speed of the second plane as x, and the distance that it should fly as y.
Since the speed of the first plane is 2 times the speed of the second plane, it will be: 2 * x.
The distance that the plane must fly will be equal to 2 * y.
In order to determine the travel time, the distance must be divided by the speed.
In this case, the time of the first plane will be:
y / x.
The time of the second plane will be:
2 * y / 2 * x = y / x.
y / x = y / x.
Answer.
The planes will arrive at the same time.
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