document.write( "Question 955243: Jenna has just enough money to rent a canoe for 1.5 hours. How far out on a lake can she paddle and return on time if she paddles out at 2 kph and back at 4 kph?
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Algebra.Com's Answer #583486 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Jenna has just enough money to rent a canoe for 1.5 hours. How far out on a lake can she paddle and return on time if she paddles out at 2 kph and back at 4 kph? \n" ); document.write( "---- \n" ); document.write( "Out DATA: \n" ); document.write( "rate = 2 km/h ; time = x hrs ; distance = r*t = 2x km \n" ); document.write( "----- \n" ); document.write( "Back DATA: \n" ); document.write( "rate = 4 km/h ; time = 1.5-x hrs ; distance = 4(1.5-x) km \n" ); document.write( "----- \n" ); document.write( "Equation: \n" ); document.write( "distance out = distance back \n" ); document.write( "2x = 4(1.5-x) \n" ); document.write( "2x = 6-4x \n" ); document.write( "6x = 6 \n" ); document.write( "x = 1 hr \n" ); document.write( "----- \n" ); document.write( "Ans: distance out = 2x = 2*1 = 2 km \n" ); document.write( "-------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------------- \n" ); document.write( " |