In a journey of 15 miles two third distance was travelled with 40 mph and remaining with 60 mph.How muvh time the journey takes

3 Answers on this Question

1. 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

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2. 20 mins

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3. 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

   Reply