document.write( "Question 261743: you currently have had three test grades with a result of 91, 86, and 89. there is one test left and you want to know what is the lowest grade you can get on this test to have an a average (90%) in the class.How would you translate and solve this problem? \n" ); document.write( "
Algebra.Com's Answer #192850 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! (91+86+89+x)/4=90\r \n" ); document.write( "\n" ); document.write( "I get 94 which makes sense since 91 and 89 average to 90 so the 86 and the next test must average to 90 \n" ); document.write( " |