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