document.write( "Question 1058358: Write a linear equation
\n" ); document.write( "Last week joe made 300$ selling 15 book door-to-door. This week, he sold 10 books and made 200$
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Algebra.Com's Answer #673391 by ewatrrr(24785)\"\" \"About 
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(15,300)
\n" ); document.write( "(10, 200) m =\"%28y%5B1%5D+-+y%5B2%5D%29%2F%28x%5B1%5D+-+x%5B2%5D+%29\", m = 100/5 = 20
\n" ); document.write( "|***Using point-slope form, \"y+-+y%5B1%5D+=+highlight_green%28m%29%28x+-+x%5B1%5D%29\"
\n" ); document.write( "y -200 = 20(x-10)
\n" ); document.write( "y = 20x
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