Cost of a Road Trip Jesse's car gets 30 miles per gallon of...

Cost of a Road Trip Jesse's car gets 30 miles per gallon of gas.
(a) If Las Vegas is 285 miles away, how many gallons of gas are needed to get there and then home?
(b) If gas is $\$ 3.09$ per gallon, what is the total cost of the gas for the trip?

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Key Concepts

Unit Rate Calculation

A unit rate is a comparison of any two separate measurements where one of the quantities is expressed as a single unit. In the context of fuel consumption, it involves using the known fuel efficiency (miles per gallon) to calculate the amount of fuel required per mile and then scaling it up to the total distance.

Round Trip Distance Calculation

Round trip calculations involve determining the total distance covered when a journey includes a return trip. If the one-way distance is known, the overall distance is twice that amount, which is essential for accurately estimating the fuel needed for the entire journey.

Fuel Economy

Fuel economy refers to the efficiency with which a vehicle uses fuel to travel a certain distance, usually expressed in miles per gallon (mpg). This concept helps determine how much fuel is needed for any given distance, making it crucial for planning trips and calculating fuel consumption.

Cost Calculation

Cost calculation in this context involves multiplying the total amount of fuel required for the trip by the price per gallon. This basic arithmetic operation helps translate an understanding of fuel consumption into monetary terms, allowing for effective budgeting and planning of travel expenses.

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