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The total rental cost will be the sum of two products.
Expression: 29.20d
Cost for 4 days: $116.80
The total cost for Dale to rent the car is a sum of two prices: the daily rental fee, and the mileage-based fee. Let's start by writing an expression to describe each of these. Then, we will be able to write an expression for the total cost.
The rental car company also charges $0.30 for each mile the car is driven. We are told that Dale only drives the rental car to and from work, which is 7 miles each way, 14 miles total. We can express this fee by multiplying each day's distance by the cost of each mile driven. 0.30* 14miles per day ⇒ 4.20d
The sum of these two expressions gives us another expression that represents the total cost in dollars for Dale to rent the car for d days. Expression: 25d+ 4.20d or 29.20d This means that it costs $29.20 each day for Dale to rent the car.