SOLUTION: The average of x, y, and z is 80. If two of the numbers are 74 and 78, then what is the other number
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Question 332256: The average of x, y, and z is 80. If two of the numbers are 74 and 78, then what is the other number
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Hint: "The average of x, y, and z is 80 " means that . We're given that "two of the numbers are 74 and 78", so let and and plug them in to get . Now solve for 'z' to find the missing number.
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