document.write( "Question 998872: Joe has scores of 87, 83, and 90 on three tests. What is the lowest score he can get on the next test to have an average of 87. \n" ); document.write( "
Algebra.Com's Answer #616606 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "To achieve an average of 87 on \n" ); document.write( "4 tests, Joe must score a total \n" ); document.write( "of 87 x 4 = 348 \n" ); document.write( "87 + 83 + 90 = 260 \n" ); document.write( "348 - 260 = 88. \n" ); document.write( "Joe must score at least 88 in \n" ); document.write( "his 4th test to attain an overall \n" ); document.write( "average of 87 for the 4 tests. \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |