document.write( "Question 825672: Ellis is one year younger than Dender. One-half of Ellis' age is three less than two-thirds Dender's age. Find their present ages. \n" ); document.write( "
Algebra.Com's Answer #497488 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Ellis is one year younger than Dender. One-half of Ellis' age is three less than two-thirds Dender's age. Find their present ages. \n" ); document.write( "------ \n" ); document.write( "Equations: \n" ); document.write( "E = D -1 \n" ); document.write( "(1/2)E = (2/3)D -3 \n" ); document.write( "------- \n" ); document.write( "Substitute for \"E\" and solve for \"D\":: \n" ); document.write( "(1/2)(D-1) = (2/3)D - 3 \n" ); document.write( "----- \n" ); document.write( "Multiply thru by 6 to get: \n" ); document.write( "3D-3 = 4D - 18 \n" ); document.write( "D = 15 (Dender's age now) \n" ); document.write( "--- \n" ); document.write( "E = D-1 = 14 (Ellis' age now \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |