Problema Solution
Marcie drove from White Rock to Lake Bluff. After 136 miles, she stopped to have lunch and then drove the remaining 80 miles. If she drove at an average rate of 54 mph, how long did Marcie spend driving?
Answer provided by our tutors
total distance is 136+80 = 216 miles
if average speed is 54mph, then total time is 216/54=4 hours