SOLUTION: The average of a,b,c and d is 25.Average of a,b and c is 22.What is the value of d or what number is 'd'?
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Question 928851: The average of a,b,c and d is 25.Average of a,b and c is 22.What is the value of d or what number is 'd'?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Write down what you know.
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Now substitute,
Now solve for .
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