document.write( "Question 793774: Mr tan Is 55 Years old and Tony Is 7 years Old. in how Many Years time Will Mr tan Be Four Times As Old as tony \n" ); document.write( "
Algebra.Com's Answer #480483 by sunny1992(35)![]() ![]() You can put this solution on YOUR website! let, \n" ); document.write( "after X year tan will be four times as old as tony \n" ); document.write( "so we have, \n" ); document.write( "Tony age after X years = 7+X \n" ); document.write( "Mr Tan = 55+X\r \n" ); document.write( "\n" ); document.write( "4(7+X)=55+X \n" ); document.write( "28+4X=55+x \n" ); document.write( "3X=27 \n" ); document.write( "X=9 \n" ); document.write( " |