• anonymous
4.) gene spent ten minutes riding his bicycle to a friend's house. he left his bike there and, with his friend, walked for 15 min to the gym. Gene rides his bicycle 10km/h faster than he walks. if the entire trip covered a distance of 2.75 km, how far is it from his friends house to the gym??
  • Stacey Warren - Expert
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  • jamiebookeater
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  • anonymous
lets put the rate of the walking as say \(r\) to the rate of biking is \(r+10\) now we can use distance equals rate times time \[10(r+10)+15r=2.75\] solve for \(r\)

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