Mathematics, 19.09.2019 09:20 jhonnysoriano9053
The average (arithmetic mean) of y numbers is x. if 30 is added to the set of numbers, then the average will be x - 5. what is the value of y in terms of x ?
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The average (arithmetic mean) of y numbers is x. if 30 is added to the set of numbers, then the aver...
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