document.write( "Question 91692: Hello, \r
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document.write( "I need help defining a variable, writing and solving this inequality:\r
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document.write( "Ray had scores of 75,82,94, and 77 on his first four science tests. What must he score on the next test to have an average of at least 85?\r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #66584 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! need help defining a variable, writing and solving this inequality: \n" ); document.write( "Ray had scores of 75,82,94, and 77 on his first four science tests. What must he score on the next test to have an average of at least 85? \n" ); document.write( ": \n" ); document.write( "Let x = the score required on the 5th test to have at least an 85 average: \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Multiply equation by 5 and you have: \n" ); document.write( "x + 328 => 5(85) \n" ); document.write( ": \n" ); document.write( "x + 328 => 425 \n" ); document.write( ": \n" ); document.write( "x => 425 - 328 \n" ); document.write( ": \n" ); document.write( "x => 97 required \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check on calc: (97+75+82+94+77)/5 = 85 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |