Rafia ran from her house to schoolat an average speed of 6 miles per hour and returned along the same route at an average speed of 4 miles per hour . If it took her one hour in total to run to the school and come back, how many minutes did it take her to run from her house to school?
Rafia ran from her house to schoolat an average speed of 6 miles per hour and returned along the same route at an average speed of 4 miles per hour . If it took her one hour in total to run to the school and come back, how many minutes did it take her to run from her house to school? Correct Answer 16
Let, Distance = D we know that , T = D/s Here, T = time, D = ddistance, S = speed According to question, D/6 + D/4 = 1 (2D + 3D) /12 = 1 D = 12/5 6 mile go 1 hours or 60 minutes 1 mile go 60/6 minutes 12/5 mile go ( 60×12)/ ( 6×5) = 24 minutes ( correct answer)
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Feb 20, 2025