Question

he average of four numbers is -2. If three of the numbers are 4, -5, and 2, what is the other number?

Answer 1

Answer:

-9

Step-by-step explanation:

Let x be the "other" number

(4-5+2+x)/4 = -2

(1 + x) = -8

x = -9

The average of 4, -5, 2, and -9 is -2