9) Ashley is an automotive engineer. Her team designed a tractor- trailer engine that can go 4.27 km on 1 L of fuel. About how many litres of fuel would the engine need for a \( 675-\mathrm{km} \) trip?
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To calculate the fuel needed for the 675-km trip, we first find out how many kilometers the engine can go per liter. Since the engine can travel 4.27 km on 1 L of fuel, we can find the total liters required by dividing the trip distance by the distance per liter. The formula would be: Liters needed = Total distance ÷ Distance per liter = \( 675 \, \mathrm{km} ÷ 4.27 \, \mathrm{km/L} \approx 158.07 \, \mathrm{L} \). So, Ashley’s engine would need about 158 liters of fuel for the trip! Fun fact: The efficiency of engines can be dramatically improved through regular maintenance and the use of advanced technologies like hybrid systems. An optimal engine not only uses less fuel but also contributes to a lower carbon footprint! Ever wondered how engineers push the boundaries of fuel efficiency? Innovations like turbocharging and direct fuel injection are making engines smarter and greener! Plus, research into alternative fuels and electric systems could revolutionize transportation in the near future. Keep an eye on what's coming next in the automotive world!