document.write( "Question 395033: Ariel is 2 years older than twice Juan's age and Felix is 6 years older than Juan. If the sum of their ages is 80, how old is each person? \n" ); document.write( "
Algebra.Com's Answer #280373 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Ariel is 2 years older than twice Juan's age and Felix is 6 years older than Juan. If the sum of their ages is 80, how old is each person? \n" ); document.write( "-------------------- \n" ); document.write( "Equations: \n" ); document.write( "a = 2j+2 \n" ); document.write( "f = j+6 \n" ); document.write( "a + f + j = 80 \n" ); document.write( "----- \n" ); document.write( "Substitute for a and f and solve for \"j\": \n" ); document.write( "2j+2 + j+6 + j = 80 \n" ); document.write( "4j = 72 \n" ); document.write( "j = 18 (Juan's age) \n" ); document.write( "--- \n" ); document.write( "Solve for \"a\": \n" ); document.write( "a = 2j+2 \n" ); document.write( "a = 36+2 = 38 (Ariel's age) \n" ); document.write( "---- \n" ); document.write( "Solve for \"f\": \n" ); document.write( "f = j+6 \n" ); document.write( "f = 24 (Felix's age) \n" ); document.write( "---- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========= \n" ); document.write( " |