Question

A commuter plane provides transportation from an international airport to the surrounding cities. One commuter plane averaged 260 mph flying to a city and 140 mph returning to the international airport. The total flying time was 4 h. Find the distance between the two airports.

________mi

Step 1

Let distance two cities is x miles.

Step 2

While going speed is 260 mph. So it takes x/260 hours.

While re turning speed is 140 mph. So it takes x/140 hours

Step 3

Total time is 4...

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