SOLUTION: A family is going on a trip. If they travel at 65 mph for one hour, and then their speed increases to 75mphfor 45 minutes, and then the speed decreases to 65mph for the next 45 min

Question 408142: A family is going on a trip. If they travel at 65 mph for one hour, and then their speed increases to 75mphfor 45 minutes, and then the speed decreases to 65mph for the next 45 minutes how many
miles would they have driven?
Found 2 solutions by ewatrrr, josmiceli:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi
D = r*t |Note* units must be consistent: 45/60 = 3/4 hr OR .75hr
65mph*1hr + 75mph*.75hr + 65mph*.75hr = 65mi + 56.25mi + 48.75 = 170mi
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(miles/hour)x(hour) + (miles/hour)x(hours) + miles/hour)x(hours)

They drove 170 miles
RELATED QUESTIONS
A family is on a road trip. The speed limit during the first 115 miles of the trip is 65... (answered by ikleyn,MathTherapy)
A family is on a road trip. The speed limit during the first 160 miles of the trip is 55... (answered by Boreal,ikleyn)
A family's vacation destination is 850 miles from their home. They travel by car 6 hours (answered by MathLover1,josgarithmetic,MathTherapy)
A bus travels 65 mph for 2 hours and then increases its speed to 70 mph for one more... (answered by josmiceli)
A family drove 45 miles and they hiked 2 miles to their campsite. The trip took 1 hour... (answered by richwmiller)
John and Jim are going on a bike ride. On the trip to Mill Park, they ride at an average (answered by ankor@dixie-net.com)
A family takes a car trip. They travel for an hour at 90 km/h and then for two hours at... (answered by Alan3354,Fombitz)
Two airplanes are leaving O'Hare at the same time, one bound for New York and the other... (answered by Fombitz)
4)he advertised mpg for new cars is based on a speed of 55 mph. As speed increases above... (answered by ewatrrr)