Averages

Oliver's Test

Oliver's Test

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Oliver has been getting mediocre test grades all semester. He needs to earn an average of 90 this semester, or else his father will ground him! With a devil and angel constantly invading his thoughts, Oliver calls his friend to find what he needs on his next test. Will Oliver score high enough?

Problem 87 - Olivia Justynski earned scores of 82, 86 and 92 on her first three tests. What score does she need on her fourth test to achieve an average score of 90 on the four tests?

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How Many Tweets?

How Many Tweets?

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How many tweets can you tweet in 6 minutes?

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