Posted by **Losa: Flame Girl** on Tuesday, June 26, 2012 at 10:15pm.

The RobinsÃ³n's electric bills for the last five months have been $157.60, $182.09, $175.15, $166.27, and $162.04. Find the average of the bill. (To find the average, divide the sum by the number of addends.) -What does the sentence in the parentheses mean? do you have to find it by adding all the addends that equals to the number, then divide it by the sum?

- Math -
**Ms. Sue**, Tuesday, June 26, 2012 at 10:20pm
Yes.

Add the bills. Then divide by 5 to find the average.

I'll be glad to check your answer.

- Math: Check -
**Losa: Flame Girl**, Tuesday, June 26, 2012 at 11:06pm
I added it, it was equal to $843.15, and when i divided it, the exact anser is... $168.63.

- Math -
**Ajay**, Wednesday, June 27, 2012 at 5:35am
in other words it wants you to find the average which is

average = add all sums /number of sums

this is how you will get your average.

average=157.60+182.09+175.15+166.27+162.04/5

=843.15/5

=168.63

so your answer is $168.63

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