12. Dallas Fiddler-Boyer is a Métis fiddler from Saskatoon. He is planning a trip to Batoche, Saskatchewan, where he will perform old-time and traditional music. Dallas plans to drive north along Highway 11 for 20 km, before turning onto country roads for the remaining 40 km. Dallas can travel 20 km/h faster on the highway than he can on country roads. If he plans to make the entire trip in 42 min, at what speed must Dallas drive on the highway?

Elementary Algebra
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Author:Lynn Marecek, MaryAnne Anthony-Smith
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Chapter8: Rational Expressions And Equations
Section8.8: Solve Uniform Motion And Work Applications
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Math 3201
Unit 4: Rational Expressions and Equations WORKB
12. Dallas Fiddler-Boyer is a Métis fiddler from
Saskatoon. He is planning a trip to Batoche,
Saskatchewan, where he will perform old-time
and traditional music. Dallas plans to drive
north along Highway 11 for 20 km, before
turning onto country roads for the remaining
40 km. Dallas can travel 20 km/h faster on the
highway than he can on country roads. If he
plans to make the entire trip in 42 min, at what
speed must Dallas drive on the highway?
Transcribed Image Text:Math 3201 Unit 4: Rational Expressions and Equations WORKB 12. Dallas Fiddler-Boyer is a Métis fiddler from Saskatoon. He is planning a trip to Batoche, Saskatchewan, where he will perform old-time and traditional music. Dallas plans to drive north along Highway 11 for 20 km, before turning onto country roads for the remaining 40 km. Dallas can travel 20 km/h faster on the highway than he can on country roads. If he plans to make the entire trip in 42 min, at what speed must Dallas drive on the highway?
Expert Solution
Step 1

Given: Distance of Highway11=20km

Distance of country Road=40km

To find- speed on Highway.

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