document.write( "Question 1056888: Susan is trying to get to her grandma's house 5 mile away. To get there she runs at a pace of 6 miles per hour for 30 minutes. She then walks at a pace of 4 miles per hour for the rest of the distance. How many minutes does she walk? \n" ); document.write( "
Algebra.Com's Answer #671945 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Susan is trying to get to her grandma's house 5 mile away. To get there she runs at a pace of 6 miles per hour for 30 minutes. She then walks at a pace of 4 miles per hour for the rest of the distance. How many minutes does she walk? \n" ); document.write( "---- \n" ); document.write( "Run DATA: \n" ); document.write( "rate = 6 mph ; time = 1/2 hr ; distance = r*t = 6(1/2) = 3 miles \n" ); document.write( "---------------------- \n" ); document.write( "Walk DATA: \n" ); document.write( "rate = 4 mph ; distance = 5-3 = 2 miles ; time = d/r = 2/4 = 1/2 hr \n" ); document.write( "---- \n" ); document.write( "Ans: She walks for 1/2 hr = 30 minutes \n" ); document.write( "---------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " \n" ); document.write( " |