document.write( "Question 884678: The product of Edna's age in two years and her age two years ago is 320. What is Edna's present age? \n" ); document.write( "
Algebra.Com's Answer #534553 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The product of Edna's age in two years and her age two years ago is 320. What is Edna's present age? \n" ); document.write( "---------- \n" ); document.write( "Equation: \n" ); document.write( "(E+2)(E-2) = 320 \n" ); document.write( "----- \n" ); document.write( "E^2 -4 = 320 \n" ); document.write( "E^2 = 324 \n" ); document.write( "---- \n" ); document.write( "Positive solution: \n" ); document.write( "E = sqrt(324) = 18 yrs (Edna's age now) \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |