document.write( "Question 227862: to earn an A in a course, a student must get at least a 90 average on four tests and a final exam, with the final exam weighted twice that of any one test. If the four test scores are: 93, 69, 89, and 97, what is the lowest score the student can earn on the final exam and still get an A \n" ); document.write( "
Algebra.Com's Answer #169288 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! (93+69+89+97+x)/5=90 \n" ); document.write( "(348+x)/5=90 \n" ); document.write( "348+x=90*5 \n" ); document.write( "348+x=450 \n" ); document.write( "x=102 \n" ); document.write( " |