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Joseph Kitavich wants to determine his average phone bill so he is better able to budget his expenses. In October, November, and December his bills were $89.87, $45.67, and $34.56, respectively. What is the average monthly expense?

Respuesta :

To get the avarage you have to add all the bills and divide by the number of months.

89.87+45.67+34.56= 170.1
170.1 ÷3= 56.70
The answer is $56.70.