SOLUTION: solve. please show the algebraic inequality you used and show all of your work. tammy has the following scores on her business law test 92,99,84,91. what score must she earn on her
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Question 456443: solve. please show the algebraic inequality you used and show all of your work. tammy has the following scores on her business law test 92,99,84,91. what score must she earn on her fifth test order to have an A average? An A her university starts at 90.
Found 2 solutions by rfer, josmiceli:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
(92+99+84+91+x)/5=>90
366+x=>90*5
366+x=>450
x=>450-366
x=>84
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = grade she must have on 5th
test to get an A average
An 84 on the 5th
test will give her an A average
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