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The sum of 4 numbers is 1230. The average of 3 of them is 293. What is the fourth number?

The sum of 4 numbers is 1230. The average of 3 of them is 293. What is the fourth number?
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5 votes
The sum of 4 numbers is 1230. The average of 3 of them is 293. What is the fourth number?

User Gmanjon
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2 Answers

5 votes
i think your answer is 351
User Brett Widmeier
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7.7k points
2 votes
351 because 293 multiplied by 3 = 879, and 1230 - 879 = 351
User Magicman
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