document.write( "Question 1042630: Artie the Ant walked directly from the very bottom to the very top of a 108 foot tall tree and directly back down. Artie walked up the tree at a rate of 1.5 feet per minute and down the tree at a rate of 2.25 feet per minute. How many minutes did the round trip take? \r
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document.write( "Answer: 120 minutes (How?) \n" );
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Algebra.Com's Answer #657626 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! \"Artie walked up the tree at a rate of 1.5 feet per minute\", so r = 1.5 \n" ); document.write( "The tree is 108 ft tall, so d = 108\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "D = r*t \n" ); document.write( "108 = 1.5*t \n" ); document.write( "108/1.5 = (1.5*t)/1.5 \n" ); document.write( "72 = t \n" ); document.write( "t = 72\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It took Artie 72 minutes to go up the tree\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "----------------------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\"Artie walked...down the tree at a rate of 2.25 feet per minute\", so r = 2.25 \n" ); document.write( "D = 108 is the distance from the top to the bottom of the tree\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "D = r*t \n" ); document.write( "108 = 2.25*t \n" ); document.write( "108/2.25 = (2.25*t)/2.25 \n" ); document.write( "48 = t \n" ); document.write( "t = 48\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It took Artie 48 minutes to go down the tree\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-----------------------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In total, the ant traveled for 72+48 = 120 minutes \n" ); document.write( " |