document.write( "Question 102515: Please help me solve this math problem:
\n" );
document.write( "Tom is 3 times as old as Todd. In 4 years Tom's age will be 6 years more than 2 times as old as Todd. How old is Todd?\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "I've tryed using a Chart to slove this math problem. But it wasn't working out. Can you help me find an easyer way to slove it? \n" );
document.write( "
Algebra.Com's Answer #74562 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! let x=Todd, y=Tom\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "now ... y=3x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4 years from now ... y+4=6+2(x+4) ... y+4=6+2x+8 ... y=2x+10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting gives 3x=2x+10 ... x=10 \n" ); document.write( " |