A business reports a net income of –$2730 over a 3-month period. What is the average income per month for that period?

A.
$8190

B.
$910

C.
–$910

D.
–$8190

Question

A business reports a net income of –$2730 over a 3-month period. What is the average income per month for that period?	
 
 A.
$8190
 
 B.
$910
 
 C.
–$910
 
 D.
–$8190

cwrw238 · Answer

divide the net income by 3

richyw · Answer

$$-\frac{2730}{3}$$

anonymous · Answer

910

anonymous · Answer

soo... c

richyw · Answer

yup. from wikipedia:

Suppose we have sample space $\{a_1,\ldots,a_n\}$. Then the arithmetic mean $A$ is defined via the equation$$A=\frac{1}{n}\sum_{i=1}^{n} a_i$$This just means if you want to take the average of n values you add them all together and divide by n

anonymous · Answer

-910 so the answer is C...
Not so complicated, richyw

anonymous · Answer

oh ok

richyw · Answer

@SingleSixxs_Fiance 

I never said it was complicated?

 I answered it in one line and it's kind of hard to "follow" one line of math so I explained what I was doing.

anonymous · Answer

@richyw 
I was just saying you took many unnecessary steps to answer this question. Not saying you are wrong, rather their is an easier way to find the answer.

richyw · Answer

which step was unnecessary? was it doing the division or was it matching the solution to the multiple choice letter?

This question takes one step.

anonymous · Answer

Sorry for this misunderstanding.

cwrw238 · Answer

i think perhaps the last person to post thought the math formula for the mean was a bit fearsome - they are a bit