What is the average weekly food expenses 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
To find the average weekly food expenses, we add up the total amount spent over the 4 week period and divide by 4:
Total amount spent = 72.84 + 61.20 + 75.48 + 68.76 = 278.28
Average weekly food expenses = 278.28 / 4 = 69.57
Therefore, the average weekly food expenses of the Johnson family over the 4 week period is $69.57.