SOLUTION: if a car is traveling 63 miles per hour. The car has traveled for 1 hour and 40 minutes. If the trip is to be 189 miles, how much longer will the trip be?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: if a car is traveling 63 miles per hour. The car has traveled for 1 hour and 40 minutes. If the trip is to be 189 miles, how much longer will the trip be?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 991476: if a car is traveling 63 miles per hour. The car has traveled for 1 hour and 40 minutes. If the trip is to be 189 miles, how much longer will the trip be?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
Distance = Speed x Time
Distance = 63 mph x 1.6666 (40 mins = 0.6666 of an hour)
Distance = 105 miles (3 significant figures)
189 - 105 = 84 miles
Time = Distance/Speed
Time = 84/63
Time = 1 hour 20mins.
Hope this helps :-)