document.write( "Question 980869: Renato is 3 years younger than Domeng. 6 years ago Renato's age was two-thirds of Domeng's age. What are their present age? \n" ); document.write( "
Algebra.Com's Answer #602017 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "R=Renato's age; D=Domeng's age \n" ); document.write( ". \n" ); document.write( "R=D-3 Use this to substitute for R below. \n" ); document.write( ". \n" ); document.write( "R-6=(2/3)(D-6) Substitute for R from above. \n" ); document.write( "D-3-6=(2/3)(D-6) \n" ); document.write( "D-9=(2/3)D-4 \n" ); document.write( "D-5=2D/3 \n" ); document.write( "3D-15=2D \n" ); document.write( "D-15=0 \n" ); document.write( "D=15 ANSWER 1: Domeng is 15 years old. \n" ); document.write( ". \n" ); document.write( "R=D-3=15-3=12 ANSWER 2: Renato is 12 years old. \n" ); document.write( ". \n" ); document.write( "CHECK: \n" ); document.write( "R-6=(2/3)(D-6) \n" ); document.write( "12-6=(2/3)(15-6) \n" ); document.write( "6=2/3(9) \n" ); document.write( "6=6 \n" ); document.write( " |