SOLUTION: Marilou leaves the house at 7:00 for a bike ride and she pedales at an average speed of 15km/h.Her dad, leaves the house at 9:15.He tales the same track as marilouu, but he is in a
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Question 184409: Marilou leaves the house at 7:00 for a bike ride and she pedales at an average speed of 15km/h.Her dad, leaves the house at 9:15.He tales the same track as marilouu, but he is in a car traveling at an average speed of 40km/h.Whan will marilou overtake her dad???????????????? pleaseeeeeeeeeeee helpppppppppppppppppppppppppppppppppppppppppppppppppp !!!!!!!!!!!!!!!! Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! 15T=40(T-2.25)
15T=40T-90
15T-40T=-90
-25T=-90
T=-90/-25
T=3.6 HOURS AFTER MARILOU LEAVES THE HOUSE, HER DAD WILL OVERTAKE HER.
PROOF
15*3.6=40(3.6-2.25)
54=40*1.35
54=54 KM. WHEN THEY WILL MEET.
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