document.write( "Question 878919: If you have averaged 79 points over 6 tests how many more points would you have to score in the next test to raise to an average of 80 \n" ); document.write( "
Algebra.Com's Answer #530509 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! Total number of points possible = 700 (6 tests plus one yet to be taken) \n" ); document.write( "Total number scored thus far = 79 * 6, or 474 \n" ); document.write( "Number of points necessary for an average of 80 = 80*700, or 560 \n" ); document.write( "Subtract the number of points earned from the number desired. \n" ); document.write( "560-474 = 86 on the next test to have an 80 average \n" ); document.write( ". \n" ); document.write( "Study hard! \n" ); document.write( " |