You pass a road sign saying "New York 112 km . ^* If you...

You pass a road sign saying "New York $112 \mathrm{~km} .{ }^{*}$ If you drive at a constant speed of $65 \mathrm{mi} / \mathrm{h}$, how long should it take you to reach New York? If your car gets 28 miles to the gallon, how many liters of gasoline are necessary to travel $112 \mathrm{~km}$ ?

Key Concepts

Unit Conversion

This concept involves converting quantities from one set of units to another based on a conversion factor. It is crucial for solving real-world problems where measurements are provided in different unit systems, such as converting kilometers to miles or gallons to liters, ensuring that calculations remain consistent and accurate.

Speed, Distance, and Time Relationship

This key concept explains the fundamental relation that distance equals speed multiplied by time. Understanding this relationship is essential for determining any one of these variables when the other two are known. It helps in addressing questions that deal with travel duration or calculating required speeds for covering specific distances.

Fuel Consumption Calculation

Fuel consumption calculation is about determining the amount of fuel required to cover a distance based on a vehicle's efficiency, which is usually given in miles per gallon. It involves computing the total distance traveled divided by the vehicle’s efficiency, highlighting the relationship between fuel usage and distance traveled.

Fuel Unit Conversion

This concept refers to converting fuel quantities from one measurement unit to another, such as from gallons to liters. It is critical when fuel measurements and consumption rates are given in different unit systems, ensuring the final answer is expressed in the desired unit of measure.

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