document.write( "Question 142560This question is from textbook
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document.write( ": joelle walks to the store @ 4.5 mph.She walks back at 3 mph. total walking time is one hour.how long did it take her to walk to the store?\r
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Algebra.Com's Answer #103770 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! joelle walks to the store @ 4.5 mph.She walks back at 3 mph. total walking time is one hour.how long did it take her to walk to the store? \n" ); document.write( "------------ \n" ); document.write( "To the store DATA: \n" ); document.write( "rate = 4.5 mph ; distance = x ; time = x/4.5 hrs. \n" ); document.write( "--------------------- \n" ); document.write( "From the store DATA: \n" ); document.write( "rate = 3 mph ; distance = x ; time = x/3 hrs \n" ); document.write( "-------------------------- \n" ); document.write( "time + time= 1 hr. \n" ); document.write( "x/4.5 + x/3 = 1 \n" ); document.write( "3x + 4.5x = 3*4.5 \n" ); document.write( "7.5x = 13.5 \n" ); document.write( "x = 1.8 miles \n" ); document.write( "---------------- \n" ); document.write( "Time to the store = x/4.5 = 1.8/4.5 = 0.4 hr. or 24 minutes \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |