document.write( "Question 110192: I need help with the following word problem from a 5th grade textbook:\r
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document.write( "The product of two decimal numbers is 8.12. The difference of the two numbers is 0.1. What are the two numbers?\r
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document.write( "Thank you,
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Algebra.Com's Answer #80281 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X*Y=8.12 \n" ); document.write( "X-Y=.1 OR X=Y+.1 \n" ); document.write( "NOW SUBSTITUTE (Y+.1) FOR X & SOLVE FOR Y IN THE FIRST EQUATION \n" ); document.write( "(Y+.1)Y=8.12 \n" ); document.write( "Y^2-.1Y-8.12=0 \n" ); document.write( "(Y-2.9)(Y+2.8)=0 \n" ); document.write( "Y-2.9-0 \n" ); document.write( "Y=2.9 ANSWER. \n" ); document.write( "Y+2.8=0 \n" ); document.write( "Y=-2.8 ANSWER. \n" ); document.write( " |