the average of five positive numbers is 213.the average of the first two number is 233.5 and the average of last two numbers is 271.what is the third number?
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Answer:56
Step-by-step explanation:
First multiply 213 by 5. The answer is 1065
233.5 multiplied by 2 is 467 and 271 multiplied by 2 is 542.
Total is 1009
1065minus 1009 is 56
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