Question

the distance between two cites is 7200 km. how long will it take for an aeroplane that fliesat 600 km to travel between the two cities? if the aeroplane has to cover this distance in9 hours, then at what speed must the plane fly at? step by step pls
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Answer 1

$\huge\mathfrak{AnSwEr:-}$

☆Given:-

Distance (d) = 7200 km

Speed (s) = 600km per hour

So, the time taken by aeroplane to cover the distance between two cities is = $\frac {7200}{600}$

= 12 hours

Therefore, the train will take 12 hours to complete the distance between two cities.

But,

If the plane had to cover the same distance in 9 hours then the plane had to increase it's speed by 800 km per hour.

$\frac {7200}{9}$

=800 km per hour

Answer 2

Answer:

Here is your answer.....!!!!!

Step-by-step explanation:

In 1st case,

Time= $\frac{Distance}{speed}$ = $\frac{7200}{600}$ = 12 hours.

for 2nd case,

$Speed=\frac{Distance}{Time} = \frac{7200}{9} = 800km/hr$

I hope my answer is useful to you.......!!!!!!!

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