Question
two people, john and mary, are 200 miles apart and leave at the same time to meet. They are driving toward each other at constant rate on the same straight road. John is traveling at 45 mph and Mary is traveling at 35 mph. When they meet, how many miles will they be from john's house?
Answers
PsyDAG
rate * time = distance
45t + 35t = 200
80t = 200
t = 2.5 hours
45 * 2.5 = ?
45t + 35t = 200
80t = 200
t = 2.5 hours
45 * 2.5 = ?
kris
90,5