Math Problem Statement
Travel Suppose a family drives at an average rate of 60 mi/h on the way to visit relatives and then at an average rate of 40 mi/h on the way back. The return trip takes 1 h longer than the trip there. a. Let d be the distance in miles the family traveled to visit their relatives. How many hours did it take to drive there? b. In terms of d, how many hours did it take to make the return trip? c. Write and solve an equation to determine the distance the family drove to see their relatives. What was the average rate for the entire trip?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Distance-Rate-Time Relationships
Linear Equations
Formulas
Time = Distance / Speed
Average Speed = Total Distance / Total Time
Theorems
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Suitable Grade Level
Grades 8-10