document.write( "Question 925774: 8) 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.
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document.write( "a) Let d be the distance in miles the family traveled to visit their relatives. How many hours did it take to drive there?
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document.write( "b) In terms of d, how many hours did it take to make the return trip?
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document.write( "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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Algebra.Com's Answer #561756 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! Basic rule is RT=D for rate time distance. Making a table of data helps.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "________________speed_________time_________distance \n" ); document.write( "GOING___________60_____________t___________d \n" ); document.write( "RETURNG_________40____________t+1__________d\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Two equations can be formed using the basic rule.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "________________speed_________time_________distance \n" ); document.write( "GOING___________60_____________t___________ \n" ); document.write( "RETURNG_________40____________t+1__________ \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |