document.write( "Question 95027: Sam must have an average of 70 or more in his summer course to
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document.write( "obtain a grade of C. His first three test grades were 75, 63, and 68. Write an inequality
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document.write( "representing the score that Sam must get on the last test to get a C grade.
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Algebra.Com's Answer #69190 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! (75+63+68+X)/4=70 CROSS MULTIPLY. \n" ); document.write( "75+63+68+X=280 \n" ); document.write( "X=280-206 \n" ); document.write( "X=74 MINIMUM GRADE TO HAVE A 'C' AVERAGE. \n" ); document.write( " |