Aplane can fly 7 miles per minute. the plane will fly 8 trips, and each trip is 810 miles. how many hours will the plane fly? show your work to receive full credit. (10 points)

The time that the plane will fly is:

             3 hours and 26 minutes or   3.43 hours.

The speed  of a plane is: 7 miles per minute.

Also, the plane will fly 8 trips, and each trip is 810 miles.

This means that the total miles that is traveled by the plane is:

8×180=1440 miles.

Now we are asked to find the time that the plane will take:

We know that:

Hence,

Hence, we get:

which is approximately equal to 206 minutes

            Hence, the answer is:  3 hours and 26 minutes or 3.43 hours.

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