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16-04-2021
Mathematics

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9.
x, y and z are three different numbers.
x + y + z = 100
The mean of x, and y is 40.
The mean of y and z is 35.

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19-04-2021

9.

x, y and z are three different numbers.

x + y + z = 100

The mean of x, and y is 40.

The mean of y and z is 35.

the means of x, y is that like similar to coordinator

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