document.write( "Question 782040: a student computed the average of her 7 test scores by adding the scores together and dividing the total by the number of tests. the average was 87. on her next test she scored a 79. what is her new test average?\r
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document.write( "a) 83
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document.write( "b) 84
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document.write( "c)85
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document.write( "d) 86 \n" );
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Algebra.Com's Answer #476265 by Wendy__Woo(1)![]() ![]() ![]() You can put this solution on YOUR website! Answer: d) 86\r \n" ); document.write( "\n" ); document.write( "First calculate the total marks achieved on the first seven tests by doing: 7*87 = 609\r \n" ); document.write( "\n" ); document.write( "The add the score of the eighth test to get the total marks of the eight tests: 609+79 = 688\r \n" ); document.write( "\n" ); document.write( "Finally divide this total by the number of tests taken to get your final answer: 688/8 = 86 \n" ); document.write( " |