document.write( "Question 927701: Carol is five times as old as her brother.He will be twice as old as his brother in two years.How old is carol now?
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Algebra.Com's Answer #563276 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! let c = Carol's present age \n" ); document.write( "let b = brother's age \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement \n" ); document.write( ": \n" ); document.write( "Carol is five times as old as her brother. \n" ); document.write( "c = 5b \n" ); document.write( "He will be twice as old as his brother in two years. \n" ); document.write( "c + 2 = 2(b+2) \n" ); document.write( "c + 2 = 2b + 4 \n" ); document.write( "c = 2b + 4 - 2 \n" ); document.write( "c = 2b + 2 \n" ); document.write( "Replace c with 5b \n" ); document.write( "5b = 2b + 2 \n" ); document.write( "5b - 2b = 2 \n" ); document.write( "3b = 2 \n" ); document.write( "b = 2/3 of a yr is Brother's present age \n" ); document.write( "then \n" ); document.write( "5 * 2/3 = 3 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |