Two friends fly from from one city to another (a distance apart of 2417 miles).It takes 2 hours and 25 minutes to fly the first 860 miles.At this rate, how long is the entire flight? Round to the nearest hundredth of an hour.
A) 8.15 hours
B) 6.79 hours
C) 6.34 hours
D) 5.89 hours
E) 7.24 hours

Question

Quizplus · Accepted Answer

First, let's find the rate at which they are traveling by dividing the distance traveled by the time it took:
$$rate=\frac{860}{2.41667}=355.83	ext{ mph}$$

Next, we can use this rate to find how long the entire flight will take:
$$2417	ext{ miles} \div 355.83	ext{ mph}=6.79	ext{ hours}$$

Therefore, the answer is B, the flight will take 6.79 hours.

Two Friends Fly from From One City to Another (A