Problema Solution

two planes leave Chicago one travling due east and the other due west.the frist travels 100 mile per hour faster than second.how long will it be until they are 2000 mile apart?

Answer provided by our tutors

They have traveled 900 miles altogether within 3 hours. So answer would be between 3 and 4 hours. A precise answer would be around 3 hours and 20 minutes.