Question

What is the average of -30 -15 -20 55

Answer 1

Answer:

-2.5

Step-by-step explanation:

-30 + (-15) + (-20) + 55 = -10. Then you divide it by how many numbers there are (4). Which equals - 2.5. If this is wrong, then round up to -3.

Answer 2

Answer:

${ \tt{ = \frac{ (- 30) + ( - 15) + ( - 20) + 55}{4} }} \\ \\ = { \tt{ \frac{ - 10}{4} }} \\ \\ = { \tt{ - \frac{5}{2} }}$