Question

The arithmetic mean of w, x, and y is 10 whereas the arithmetic mean of x, y, and z is 15. What is the value of w - z?​

Answer 1

Answer:

-15

Step-by-step explanation:

w + x + y = 30

x + y + z = 45

Subtracting,

w - z = -15

Answer 2

15 is the answer

bye bye bye