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26-04-2021
Mathematics

contestada

Calculate for y given that mean of 20,2y,25,y,30 is 27

Respuesta :

26-04-2021

Answer:

y = 218

Step-by-step explanation:

Mean = (Sum of all numbers)/(How many numbers present)

27 = (20 + 2y + 25 + y + 30)/27

27 = (3y + 75)/27

3y + 75 = 729

3y = 729 - 75

3y = 654

y = 218

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