document.write( "Question 1099904: Tricia can type 70 words in 30 seconds, and 100 words in 100 seconds. What is the equation that predicts the number of words Tricia can type in a certain number of seconds? Let X be the number of seconds and Y be the number of words Tricia types \n" ); document.write( "
Algebra.Com's Answer #714406 by josgarithmetic(39631)\"\" \"About 
You can put this solution on YOUR website!
(30,70) and (100,100).\r
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\n" ); document.write( "\n" ); document.write( "If a line,
\n" ); document.write( "\"y-70=%28%28100-70%29%2F%28100-30%29%29%28x-30%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-70=%283%2F7%29%28x-30%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=%283%2F7%29x-%283%2F7%29%2A30%2B70\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=%283%2F7%29x-90%2F30%2B2100%2F30\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=%283%2F7%29x%2B2010%2F30\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28y=%283%2F7%29x%2B67%29\"
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