Mathematics, 18.09.2019 02:30, sedratkawaiah13

Suppose a family drives at an average rate of 60 mi/h on their way to visit relatives and then an average rate of 40 mi/h on the way back. the return trip takes 1h longer than the trip there.
part a) let "d" be the distance in miles the family traveled to visit their relatives. how many hours did it take to drive there?
part b) in terms of "d," how many hours did it take to drive there?
part 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?

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Suppose a family drives at an average rate of 60 mi/h on their way to visit relatives and then an av...