document.write( "Question 766562: Ahmad’s average score on his first 3 tests is 90. If his average on his last 2 tests is 80, what is his average score for all 5 tests? \n" ); document.write( "
Algebra.Com's Answer #467023 by ramkikk66(644)\"\" \"About 
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document.write( "Average for 1st 3 tests = 90\r\n" );
document.write( "Therefore, total for 1st 3 tests = 90*3 = 270\r\n" );
document.write( "Average for last 2 tests = 80\r\n" );
document.write( "Therefore, total for last 2 tests = 80*2 = 160\r\n" );
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document.write( "Total for all 5 tests = 270 + 160 = 430\r\n" );
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document.write( "So, average for all 5 tests = 430/5 = 86\r\n" );
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