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The average of 3, 5, 15 and my number is 40. what is my number.

The average of 3, 5, 15 and my number is 40. what is my number.
asked 59.1k views
3 votes
The average of 3, 5, 15 and my number is 40. what is my number.

asked
User Richard Pianka
by
8.0k points

1 Answer

5 votes

Answer:

137

Explanation:

(3 + 5 + 15 + x)/4 = 40

23 + x = 160

x = 137

answered
User Urish
by
7.7k points
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