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The average of four numbers is 36. Three of them are 34, 40 and 38. Find the fourth number

The average of four numbers is 36. Three of them are 34, 40 and 38. Find the fourth number
asked 18.9k views
1 vote
The average of four numbers is 36. Three of them are 34, 40 and 38. Find the fourth number

asked
User Sina Masnadi
by
8.2k points

1 Answer

1 vote

Answer:

The fourth number is 32.

Explanation:


36 = (34 + 40+38+x)/(4) \\36 = (112+x)/(4) \\36 * 4= 112+x\\144= 112+x\\144= 112+x\\144-112= x\\32=x\\\\So..\\x=32

answered
User Hbgamra
by
8.0k points
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