A Boeing 747 jet airliner carrying 568 people burns about 5.0 gallons of jet fuel per mile. What is the rate of fuel consumption in units of gallons per person per mile? Is this better or worse than the rate of fuel consumption in an automobile carrying two people that gets 21.5 miles per gallon? If the airliner were making the 3470 mile trip from New York to London, how many pounds of jet fuel would be consumed? (Jet fuel has a density of 0.817 g/mL.) Considering the circumstances, how many significant figures should be used in reporting the volume of jet fuel consumed? Justify your answer.
A Boeing 747 jet airliner carrying 568 people burns about 5.0 gallons of jet fuel per mile. What is the rate of fuel consumption in units of gallons per person per mile? Is this better or worse than the rate of fuel consumption in an automobile carrying two people that gets 21.5 miles per gallon? If the airliner were making the 3470 mile trip from New York to London, how many pounds of jet fuel would be consumed? (Jet fuel has a density of 0.817 g/mL.) Considering the circumstances, how many significant figures should be used in reporting the volume of jet fuel consumed? Justify your answer.
A Boeing 747 jet airliner carrying 568 people burns about 5.0 gallons of jet fuel per mile. What is the rate of fuel consumption in units of gallons per person per mile? Is this better or worse than the rate of fuel consumption in an automobile carrying two people that gets 21.5 miles per gallon? If the airliner were making the 3470 mile trip from New York to London, how many pounds of jet fuel would be consumed? (Jet fuel has a density of 0.817 g/mL.) Considering the circumstances, how many significant figures should be used in reporting the volume of jet fuel consumed? Justify your answer.
The fuel consumption of a car is 1.8 gallons per 100 mile. Ifthe cost of fuel per liter is $16.7, what is the fuel cost fortravelling 55.0 km?
The officers of a high school senior class are planning to rent buses and vans for a class trip. Each bus can transport 81 students, requires 8 chaperones, and costs
$1,300 to rent. Each van can transport 9 students, requires 1 chaperone, and costs $90 to rent. Since there are 972 students in the senior class that may be eligible to
go on the trip, the officers must plan to accommodate at least 972 students. Since only 104 parents have volunteered to serve as chaperones, the officers must plan to
use at most 104 chaperones. How many vehicles of each type should the officers rent in order to minimize the transportation costs? What are the minimal
transportation costs?
The officers should rent
buses and vans to minimize the transportation costs.
An average adult has 6.0 L blood. The red cross usually takes 1 pint of blood from each donor at a donation. What percentage (by volume) of person's blood does a blood donor give in one donation?
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