document.write( "Question 1025833: ali an average of 50 in 6 tests. what should he get in the next test to attaind the average of 60 ? solve \n" ); document.write( "
Algebra.Com's Answer #641129 by macston(5194)\"\" \"About 
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\n" ); document.write( "To average 50 on 6 tests, the current sum of his scores is:
\n" ); document.write( "6 x 50 = 300
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\n" ); document.write( "To average 60 on 7 tests, the sum of his scores (desired sum) must be:
\n" ); document.write( "7 x 60 = 420
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\n" ); document.write( "desired sum - current sum = needed score
\n" ); document.write( "420 - 300 = 120
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\n" ); document.write( "ANSWER: Ali needs to score 120 on the next test to average 60.
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