document.write( "Question 53758: Aaron, Betsy,and Charita work part time at the public library. Betsy works 4hours more each week than Aaron, and together they work as many as Charita. How long does each person work if their total is 45h? \n" ); document.write( "
Algebra.Com's Answer #36006 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! Aaron ( A SAY), Betsy ( B SAY ),and Charita ( C SAY )work part time at the public library. Betsy works 4hours more each week than Aaron \n" ); document.write( "B = A + 4 .................................1 \n" ); document.write( ", and together they work as many as Charita. \n" ); document.write( "A + B = C....................2..........SUBSTITUTING FOR B FROM EQN.1 IN EQN.2 \n" ); document.write( "A+A+4=C \n" ); document.write( "C= 2A+4...........................................3 \n" ); document.write( " How long does each person work if their total is 45h? \n" ); document.write( "A+B+C = 45.........................4....SUBSTITUTING FOR B AND C FROM EQNS.1 AND 3 \n" ); document.write( "A+A+4+2A+4=45 \n" ); document.write( "4A=45-8=37 \n" ); document.write( "A=37/4 = 9.25 \n" ); document.write( "B = 9.25+4 = 13.25 \n" ); document.write( "C = 2*9.25 + 4 =22.5 \n" ); document.write( " \n" ); document.write( " |