document.write( "Question 1133813: A candle is lit and the length of the burning candle changes at a constant rate of -1.8 inches per hour. 3 hours after the candle was lit the candle was 8.7 inches long.\r
\n" ); document.write( "\n" ); document.write( "Determine how long the candle was before it was lit.
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Algebra.Com's Answer #751051 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Equation for the line of slope \"-1.8\" containing point (3, 8.7);
\n" ); document.write( "and question asks for y-intercept.\r
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\n" ); document.write( "\n" ); document.write( "\"y-8.7=-1.8%28x-3%29\"
\n" ); document.write( "\"y=-1.8%28x-3%29%2B8.7\"
\n" ); document.write( "\"y=-1.8x%2B5.4%2B8.7\"
\n" ); document.write( "\"y=-1.8x%2B14.1\"
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