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Amir’s average math score for the first 4 of 5 tests of the school year is 88. What must Amir’s score be on the fifth test so that his mean for all 5 is 90?

Amirs average math score for the first 4 of 5 tests of the school year is 88 What must Amirs score be on the fifth test so that his mean for all 5 is 90 class=

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Answer: Hope this helps :)

Step-by-step explanation:

Average: 38.4

Average =  

Sum

Count

=  

192

5

=  38.4

Sum 192

Count 5

Median 5

Geometric Mean 15.126729343773

Largest 90

Smallest 4

Range 86

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