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Tyra has taken three tests and scored 100, 91, and 85. Tyra has one more test left. What is the lowest grade Tyra can get on the next test and have an average above 80?

Bernadette has taken three tests and scored 96, 91, and 81. Bernadette has one more test left. What is the lowest grade Bernadette can get on the next test and have an average above 80?

The mean of 20 numbers is 46. If 16 of these numbers have a mean of 44, what is the mean of the other 4 numbers? Round your answers up to the nearest whole number.

Tim has taken three tests and scored 97, 97, and 82. Tim has one more test left. What is the lowest grade Tim can get on the next test and have an average above 85?

Grade	Frequency
100	4
90	3
80	6
70	7
60	2

Given the table above, what is the mean grade? Round to the nearest tenth.

18.1

83.2

352

Note: Do not move on until the activity above has been completed and submitted.