To find the average monthly expense, we need to add up the expenses for May, June, and July and then divide by the number of months (3):
Average monthly expense = (91 + 122 + 478) / 3
Average monthly expense = 691 / 3
Average monthly expense ≈ $230.33
Therefore, Beth's estimated average monthly expense for transportation is approximately $230.33.
Beth estimates her expenditures for transportation as follows:
May, $91; June, $122; July $478. What is her estimated average
monthly expense for transportation?
1 answer