document.write( "Question 869716: Eric spunkel is three times as old as she is now 4 years ago he was four times ashold as she was then how old is Eric now \n" ); document.write( "
Algebra.Com's Answer #524360 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! let e = Eric's age now \n" ); document.write( "let h = her age now \n" ); document.write( ": \n" ); document.write( " Eric spunkel is three times as old as she is now. \n" ); document.write( "e = 3h \n" ); document.write( " 4 years ago he was four times as old as she was then \n" ); document.write( "e - 4 = 4(h-4) \n" ); document.write( "e - 4 = 4h - 16 \n" ); document.write( "e = 4h - 16 + 4 \n" ); document.write( "e = 4h - 12 \n" ); document.write( "replace e with 3h \n" ); document.write( "3h = 4h - 12 \n" ); document.write( "12 = 4h - 3h \n" ); document.write( "h = 12 yr is her age now \n" ); document.write( "; \n" ); document.write( " how old is Eric now \n" ); document.write( "3(12) = 36 yrs \n" ); document.write( " |