document.write( "Question 873482: 1. For every person who walked there were 44 who drove. If 270 made the trip, how many walked?\r
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document.write( "2. Jenna pedaled the 24 miles to the lake against the wind and averaged 8 miles per hour on the return trip she averaged 12 miles per hour. Find Jenna's average speed for the round trip.
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Algebra.Com's Answer #526892 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1. For every person who walked there were 44 who drove. If 270 made the trip, how many walked? \n" ); document.write( "----- \n" ); document.write( "Equation: \n" ); document.write( "x + 44x = 270 \n" ); document.write( "45x = 270 \n" ); document.write( "x = 6 (# who walked) \n" ); document.write( "--------------------------- \n" ); document.write( "2. Jenna pedaled the 24 miles to the lake against the wind and averaged 8 miles per hour on the return trip she averaged 12 miles per hour. Find Jenna's average speed for the round trip. \n" ); document.write( "----- \n" ); document.write( "To Lake DATA: \n" ); document.write( "dist = 24 miles ; rate = 8 mph ; time = 24/8 = 3 hrs \n" ); document.write( "------------- \n" ); document.write( "From Lake DATA: \n" ); document.write( "dist = 24 miles ; rate = 12 mph ; time = 24/12 = 2 hrs \n" ); document.write( "------ \n" ); document.write( "Average speed = total distance/total time = 48 miles/5 hrs = 9.6 mph \n" ); document.write( "-------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------------- \n" ); document.write( " \n" ); document.write( " |