Asked by cody
Solve, show the algebraic you use. Tammy has the following scores on her business law tests 92, 99, 84, 91. What score must she earn on her fifth test in order to have an A average? An A for her university starts at 90.
Answers
Answered by
Ms. Sue
92 + 99 + 84 + 91 = 366
500 * 0.9 = 450
450 - 366 = ?
500 * 0.9 = 450
450 - 366 = ?
Answered by
cody
Ms. Sue, wher did you come up with 500*0.9?
Answered by
Ms. Sue
The total possible points for 5 tests is 500. 90% of 500 = 450. Tammy needs a total score of 450 to get a 90% average.
Answered by
cody
Thank you, 450-366=84
Answered by
Ms. Sue
You're welcome.
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