Watford1861 Watford1861

23-07-2018
Mathematics

contestada

The average of 6 number is 4. A seventh number is added and the new average is 5. Find the seventh number

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CameroniNCheese CameroniNCheese

23-07-2018

The seventh number would have to be 11

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shortcake83 shortcake83

08-01-2021

Answer:

the answer is 11

Step-by-step explanation:

the average of 6 numbers is 4....

t/6 = 4.....t = 24 (the total of the 6 numbers)

(24 + x) / 7 = 5

24 + x = 35

x = 35 - 24

x = 11 <== ur 7th number

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