document.write( "Question 992031: Three brothers were born 3 years in a row. The sum of their ages is 57.How old is the youngest brother? \n" ); document.write( "
Algebra.Com's Answer #611680 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Y=age of youngest; M=age of middle=y+1; O=age of oldest=Y+2 \n" ); document.write( "Y+M+O=57 \n" ); document.write( "Y+(Y+1)+(Y+2)=57 \n" ); document.write( "3Y+3=57 \n" ); document.write( "3Y=54 \n" ); document.write( "Y=18 \n" ); document.write( ". \n" ); document.write( "ANSWER: The youngest brother is 18 years old. \n" ); document.write( ". \n" ); document.write( "CHECK: \n" ); document.write( "Y=18 \n" ); document.write( "M=Y+1=18+1=19 \n" ); document.write( "O=y+2=18+2=20 \n" ); document.write( ". \n" ); document.write( "Y+M+O=57 \n" ); document.write( "18+19+20=57 \n" ); document.write( "57=57 \n" ); document.write( " \n" ); document.write( " |