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OpenStudy (anonymous):
Sarah has an average of 92.5 for her 3 science tests. What does she need to make on the 4th test to get a 94% average?
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OpenStudy (anonymous):
please show how i would solve this
OpenStudy (anonymous):
She would need 95.5% but I do not know how to explain this because honestly, I just used trial and error.
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