document.write( "Question 1103024: Bill is three times older than jane. If bill were 9 years younger and jane were 6 years older, their ages would differ by 21 years. How old is Jane \n" ); document.write( "
Algebra.Com's Answer #717741 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! Wrte an equation for each statement \n" ); document.write( ": \n" ); document.write( "Bill is three times older than jane. \n" ); document.write( "b = 3j \n" ); document.write( " If bill were 9 years younger and jane were 6 years older, their ages would differ by 21 years. \n" ); document.write( "(b-9) - (j+6) = 21 \n" ); document.write( "b - 9 - j - 6 = 21 \n" ); document.write( "b - j - 15 = 21 \n" ); document.write( "b - j = 21 + 15 \n" ); document.write( "b - j = 36 \n" ); document.write( "Replace b with 3j (from the 1st statement) \n" ); document.write( "3j - j = 36 \n" ); document.write( "2j = 36 \n" ); document.write( "j = 18 yrs is Jane's age \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "you can find b, and check solutions in the 2nd statement \n" ); document.write( " \n" ); document.write( " |