Aplane flew 145km/h faster when it was flying with the wind than it would have flown with still air, if it's speed with the wind was 970km/h, find the speed of the plane in still air

Speed of plane in still air is 825 km/h

Step-by-step explanation:

Given:

Speed of plane with the wind is 145 km/h faster than what it would have with still air.

Speed of plane with wind = 970 km/h

To find speed of plane in still air.

Solution:

Let speed of plane in still air be =

So The speed of plane with wind would be given as =

Now Given:

Speed of plane with wind is given =970 km/h

So, we have:

Now Solving for "x" we get

Subtracting both sides by 145.

Hence, speed of plane in still air is 825 km/h

step-by-step explanation:

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step-by-step explanation: