document.write( "Question 271804: You plant a 14 inch hemlock tree in your back yard that grows at a rate of 4 inches per year and an 8 inch blue spuce tree that grows at a rate of 6 inches per year. In how many years after you plant the trees will the two trees be the same height? And how tall will they be?\r
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document.write( "I have tried the following:\r
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document.write( "4x + 6y = 365
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document.write( "x + y = 2
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Algebra.Com's Answer #198948 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! 14 + 4y = 8 + 6y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6 = 2y ___ 3 = y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting ___ 14 + 4(3) = 26\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "it takes 3 yr and the trees are 26 in tall \n" ); document.write( " |