document.write( "Question 990016: Joseph is 7 years older than his brother Tony.Twice Joseph's age in 4 years minus 2 will equal three times Tony's age in 4 years How old is joseph now ?
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Algebra.Com's Answer #610134 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Joseph is 7 years older than his brother Tony.Twice Joseph's age in 4 years minus 2 will equal three times Tony's age in 4 years How old is joseph now ? \n" ); document.write( "------------ \n" ); document.write( "Equations: \n" ); document.write( "j = t + 7 \n" ); document.write( "2(j+4) -2 = 3(t+4) \n" ); document.write( "----- \n" ); document.write( "Substitute for \"j\" and solve for \"t\":: \n" ); document.write( "2(t+11) -2 = 3t + 12 \n" ); document.write( "----- \n" ); document.write( "2t + 20 = 3t + 12 \n" ); document.write( "t = 8 yrs (Tony's age now) \n" ); document.write( "----- \n" ); document.write( "j = t+7 = 15 yrs (Joe's age now) \n" ); document.write( "------------- \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |