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14-05-2020
Mathematics

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The mean of four numbers is 25. Three of the four numbers are 20, 26, and 26. What is the fourth number?

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jaydentimothyq jaydentimothyq

14-05-2020

Answer:

28 hope this helped

Step-by-step explanation:

20+26+26=72

72+28=100

100/4=25

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dekowmohamed dekowmohamed

14-05-2020

let the number be X

20 + 26 + 26 + X /4 = 25

72 + X /4 = 25

cross multiply

72 + X = 25*4

72 + X = 100

X = 100.- 72 = 28

X = 28

proof

20 + 26 + 26 +28 / 5 = 25

I hope it will help. can I have braainlest

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