document.write( "Question 858137: Mr Brown gave a test with 30 questions worth 100 points. If some of the questions were worth three points and the rest were worth 5 points, How many questions of each value did he have? \n" ); document.write( "
Algebra.Com's Answer #517044 by lwsshak3(11628)\"\" \"About 
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Mr Brown gave a test with 30 questions worth 100 points. If some of the questions were worth three points and the rest were worth 5 points, How many questions of each value did he have?
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\n" ); document.write( "let x=number of 5-point questions
\n" ); document.write( "30-x=number of 3-point questions
\n" ); document.write( "..
\n" ); document.write( "5x+3(30-x)=100
\n" ); document.write( "5x+90-3x=100
\n" ); document.write( "2x=10
\n" ); document.write( "x=5
\n" ); document.write( "30-x=25
\n" ); document.write( "number of 5-point questions=5
\n" ); document.write( "number of 3-point questions=25
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