Vacation

Parents are piggybacking children on vacation to their grandmother and grandfather in a city distant 150 kilometers. They agreed to meet halfway. Parents will travel at 90 km/h, grandmother and grandfather at 60 km/h. Parents depart at 12:00 hours. When do grandparents have to arrive at the appointed place at the same time?

Result

t = 11:35 h Wrong answer

Step-by-step explanation:

90x=150/2 60y=150/2  90 x=150/2 60 y=150/2  180x=150 120y=150  y=120150=1.25 x=180150=0.83333333  x=650.833333 y=45=1.25  t=12+xy=12+0.83331.25=11.58333=11:35 h



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