SOLUTION: Sylvia walked to Cathy's house at 2km/h, and then rode a bicycle back to her own house at 10km/h. The entire trip took 3 hours. How long a time did Sylvia walk?

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Question 319029: Sylvia walked to Cathy's house at 2km/h, and then rode a bicycle back to her own house at 10km/h. The entire trip took 3 hours. How long a time did Sylvia walk?

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Rate*Time=Distance
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1.
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2.
Substitute eq. 1 into eq. 2,



Then from eq. 2,

hrs

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