document.write( "Question 317244: This is a question from the GRE. A student has test scores of 85, x, and y, respectively, and an average score of 96 on the three tests. What is the average of x and y? how to you solve this problem? Thank you. \n" ); document.write( "
Algebra.Com's Answer #227117 by Jstrasner(112)![]() ![]() You can put this solution on YOUR website! Hey,\r \n" ); document.write( "\n" ); document.write( "So for this one, we have three numbers that average out to be 96\r \n" ); document.write( "\n" ); document.write( "Therefore the sum of these numbers is equal to 96 x 3 = 288\r \n" ); document.write( "\n" ); document.write( "Then we subtract 85 from 288 and get = 203\r \n" ); document.write( "\n" ); document.write( "So we know that x + y = 203\r \n" ); document.write( "\n" ); document.write( "Therefore, the average of these two numbers is the sum divided byt he number of parts:\r \n" ); document.write( "\n" ); document.write( "203/2 = 101.5\r \n" ); document.write( "\n" ); document.write( "Therefore:\r \n" ); document.write( "\n" ); document.write( "the average of x and y is 101.5\r \n" ); document.write( "\n" ); document.write( "I hope this helps! \n" ); document.write( " |