physics

A senior citizen walks 275 m in 25 min going around a shopping mall. If she wants to increase her average speed by 25 % in walking a second lap, what would her travel time in minutes have to be?

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asked by KJ
  1. Distance = speed * time
    = (1.25*speed)*((1/1.25)*time)
    = 25 min./1.25
    = 20 minutes

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    posted by MathMate
  2. 45

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