Mathematics: Alberts sixth grade class will have five test for social studies they already have two of Alberts grades for these two tests are shown below. If Albert wants the mean of his five tests to be 90 what could be his last three grades. Test 1 was an 85 Test two was a 100

Alberts sixth grade class will have five test - id6100390, jeremytheprimerapper

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faithkristi

24.01.2022

Test scores could be 90,89,88

100+85+90+89+88= 452
452/5=90.4

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

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Ответ:

rosieposie27

14.11.2022

Mathematics

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Alberts sixth grade class will have five test for social studies they already have two of Alberts grades for these two tests are shown below. If Albert wants the mean of his five tests to be 90 what could be his last three grades. Test 1 was an 85 Test two was a 100

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