document.write( "Question 408976: One candle will burn up completely in 4 hours, while a second candle of equal length requires 5 hours to burn up completely. If the candles are lit at the same time, how long will they burn before one is exactly three times as long as the other? \n" ); document.write( "
Algebra.Com's Answer #288033 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! 3[1 - (x / 4)] = 1 - (x / 5)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3 - (3x / 4) = 1 - (x / 5)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiplying by 20 (LCD) ___ 60 - 15x = 20 - 4x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "40 = 11x ___ 40/11 = x \n" ); document.write( " |