Winnrifahnumbagatt Winnrifahnumbagatt
  • 08-11-2016
  • Physics
contestada

Brad walks and jogs to schooll every day. He averages 5 km/hr walking and 9 km/hr jogging. The distane from home to shool is 6 km, and the total trip takes 1 hour. How far does Brad walk?

Respuesta :

scme1702
scme1702 scme1702
  • 13-11-2016
We know that
Distance = speed x time
Let w be the time Brad spent walking. The time spent jogging will be 1 - w
6 = 5w + 9(1 - w)
w = 0.75 hours
Distance walked = 0.75 x 5
= 3.75 km
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