SOLUTION: Hi Town P and town Q are 720km apart.Maggie & Andrew left town P at the same time. The average speed of Andrew was 40km per hour, Maggies was 60km per hour. As soon as they passed

Question 1171404: Hi
Town P and town Q are 720km apart.Maggie & Andrew left town P at the same time. The average speed of Andrew was 40km per hour, Maggies was 60km per hour. As soon as they passed Point K which was 1/3 of the total distance,Maggie began to travel at a speed of 80km per hour. Both of them took the same number of hours to travel from town P to town Q.
How long did Maggie take to travel from town P to Point K.
What was Andrews speed from Point K to town Q.
Thanks
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Here is NOT a complete solution:

To reach point K, Maggie went 60 km per hour and distance km. The time taken was hours. Maggie at point K was still 480 k.m. from point Q.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

Hi Town P and town Q are 720km apart.Maggie & Andrew left town P at the same time. The average speed of Andrew was 40km per hour, Maggies was 60km per hour. As soon as they passed Point K which was 1/3 of the total distance, Maggie began to travel at a speed of 80km per hour. Both of them took the same number of hours to travel from town P to town Q. How long did Maggie take to travel from town P to Point K. What was Andrews speed from Point K to town Q. Thanks It’s OBVIOUS that not only did Maggie increase her speed after getting to Point K, but Andrew did, as well. Distance Maggie covered, from Point P to Point K: of the 720-km distance: = 240 kms Time Maggie took to get to Point K (240 kms): = 4 hours Remaining distance Maggie had to go (Point K to Q): 720 - 240 = 480 kms Time Maggie took to go remaining distance (point K to Q), after increasing speed to 80 km/h: = 6 hours Total time Maggie took to get from Point P to Q: 4 + 6 = 10 hours Distance Andrew covered, from Point P to Point K: of the 720-km distance: = 240 kms Time Andrew took to get to Point K (240 kms): = 6 hours Remaining distance Andrew had to go (Point K to Q): 720 - 240 = 480 kms Time Andrew took to go remaining distance (point K to Q), after increasing speed (S): hours Total time Andrew took to get from Point P to Q: hours Since BOTH took the same amount of time to travel from P to Q, then each took 10 hours to complete the trip We then get: Andrew’s ENTIRE-TRIP time = Maggie’s ENTIRE-TRIP time ----- Factoring out GCF, 2, in numerator 3S + 240 = 5S ---- Multiplying by LCD, S 240 = 5S - 3S 240 = 2S ===> 2S = 240 Andrew’s speed from K to Q, or

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