An airplane flew with the wind for 2.5 hours and returned the same distance against the wind in 3.5 hours. If the cruising speed of the plane was a constant 360 mph in air, how fast was the wind blowing

60 miles per hour.

Step-by-step explanation:

Let r represent speed of wind blowing in miles per hour.          

We have been given that the cruising speed of the plane was a constant 360 mph in air. The speed of the plane is the direction of wind would be .

The speed of the plane is the opposite direction of wind would be .

Distance covered in the direction of wind would be .

Distance covered in the opposite direction of wind would be .

Since both distances are same, so we will get:

Therefore, the wind is blowing at a rate of 60 miles per hour.

the answer is (2x+8)²= 16

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step-by-step explanation: