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Posted by on Sunday, August 28, 2011 at 4:48pm.

what is the average weekly food expense of the johnson family during a 4-week period in which they spent $72.84, $61.20, $75.48, and $68.76 for their weekly grocery shopping?

  • math - , Sunday, August 28, 2011 at 4:51pm

    To find an average get a total of the entries and divide by the number of entries.

    In this problem get a total of the expenses for the 4 weeks. Then, take that total and divide by 4 to get the average.

    Hope that helps!
    JJ

  • math - , Sunday, August 28, 2011 at 4:54pm

    thank you !!!

  • math - , Wednesday, August 15, 2012 at 3:28pm

    69.57

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