SOLUTION: Two planes fly in opposite directions. One travels 475 mi/h and the other 525 mi/h. How long will it take before they are 7,000 mi apart?

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Two planes fly in opposite directions. One travels 475 mi/h and the other 525 mi/h. How long will it take before they are 7,000 mi apart?       Log On


   

Question 1065410: Two planes fly in opposite directions. One travels 475 mi/h and the other 525 mi/h. How long will it take before they are 7,000 mi apart?
Answer by ikleyn(52888) About Me  (Show Source):
You can put this solution on YOUR website!
.
7000%2F%28525%2B475%29 hours.

Calculate.

The distance between the planes increases at the rate 525 + 475 miles per hour.

Therefore, we divide the distance by the rate to get the time.