Question

The average of x, y, z and 40 is 10.
What is the average of x, y, and z.​

Answer 1

Given:

The average of x, y, z and 40 is 10.

Solution:

$\frac{x + y + z + 40}{4} = > 10$

$x + y + z = > 40 - 40$

$x + y + z = 0$

Average =

$\frac{x + y + z }{3} = \frac{0}{3} = 0$

Hence, average = 0

Answer 2

Answer:

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