Best Answer

2/3 * 15 miles = 10 miles then time for 10 miles travel is t1 = 10/40 = 1/4 then remaning distance is 5 miles time for 5 miles travel is t2 = 5/60 = 1/12 t1+ t2= 1/3 in seconds * 60 = 20 min

FROM MANISH PUNDIR

Q: In a journey of 15 miles two third distance was traveled with 40 mph and remaining with 60 mphHow muvh time the journey takes?

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