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the mean age of 8 people is 16 years. when mrs. hernandez's age is included, the mean age increases to 20. how old is mrs. hernandez?
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the mean age of 8 people is 16 years. when mrs. hernandez's age is included, the mean age increases to 20. how old is mrs. hernandez?

User Lucas Emerick
by
4.8k points

1 Answer

3 votes

Answer:

52

Explanation:

8*16 = 128

8*20 = 180

180-128 =52

User Jhrf
by
6.0k points
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