SOLUTION: bryn earned 79%,69%,84%and 73% on her math tests. what mark does she need to earn on her fifth test if she wants her average to be atleast 80%
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Question 751122: bryn earned 79%,69%,84%and 73% on her math tests. what mark does she need to earn on her fifth test if she wants her average to be atleast 80% Answer by timvanswearingen(106) (Show Source):
You can put this solution on YOUR website! 80*5=400 (She will have a total of 5 tests)
Add up her current scores:
Subtract this from 400:
She needs a 95%
