document.write( "Question 572777: Kathy has a 90 average on her first four tests. What does Kathy need to score on the next test to have exactly a 92 average for the five tests? \n" ); document.write( "
Algebra.Com's Answer #368549 by stanbon(75887) ![]() You can put this solution on YOUR website! Kathy has a 90 average on her first four tests. What does Kathy need to score on the next test to have exactly a 92 average for the five tests? \n" ); document.write( "------- \n" ); document.write( "(4*90+x)/5 = 92 \n" ); document.write( "360 + x = 460 \n" ); document.write( "x = 100 \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |