document.write( "Question 420085: In order to earn an A in a class, your test scores must average at least 92%. On the first 6 tests, you have an average of 91%. What score do you need to get on the last test to earn an A? Show your work.\r
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document.write( "Well I tried it myself And I think it's set out like this: 91+6=>92 I don't know If this is the right way to set it up. =/ \n" );
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Algebra.Com's Answer #293580 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In order to earn an A in a class, your test scores must average at least 92%. On the first 6 tests, you have an average of 91%. \n" ); document.write( "--- \n" ); document.write( "Total points on those 6 tests = 6*91 = 546 \n" ); document.write( "--------\r \n" ); document.write( "\n" ); document.write( "What score do you need to get on the last test to earn an A? \n" ); document.write( "--- \n" ); document.write( "Let the final test score by \"x\": \n" ); document.write( "Solve for \"x\" when (546+x)/7 >= 92 \n" ); document.write( "546 + x >= 7*92 \n" ); document.write( "--- \n" ); document.write( "x >= 98 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( " |