Final answer:
Aldo's estimated travel costs per year can be calculated by multiplying the number of miles he drives for company business by the reimbursement rate of 38 cents per mile.
Step-by-step explanation:
To estimate Aldo Redondo's travel costs per year, we need to know the total number of miles he drives for company business. Let's say he drives x miles per year. Based on the information given, his employer reimburses him at a rate of 38 cents per mile. So, Aldo's estimated costs per year would be $0.38 times x.