In the US, 13% of the gasoline sold for use in automobiles in 1988 was leaded; the rest was unleaded. Cars manufactered after 1975 were designed to use only unleaded gasoline, and these get higher mileage per gallon of gasoline on average than do pre-1975 automobiles. In 1988, 18% of autmobiles used only leaded gasoline.
Which of the following is best supported by the statements above?
A. by 1988 leaded gasoline was banned in many areas bc of health concerns over lead contents in emissions from automobiles that run on leaded gasoline
B. Some leaded gasolines provide a higher performance level than do many unleaded gasolines, and many drivers prefer a higher-performance fuel.
C. Pre-1975 automobiles can run on both leaded and unleaded gasoline.
D. Automobiles using only leaded gasoline were driven, on avg, fewer miles in 1988 than the average for all automobiles.
E. In 1988 some pre-1975 cars were equipped with new engines designed to use only unleaded gasoline.
The OA is D
Can someone explain pls?
Which of the following is best supported by the statements above?
A. by 1988 leaded gasoline was banned in many areas bc of health concerns over lead contents in emissions from automobiles that run on leaded gasoline
B. Some leaded gasolines provide a higher performance level than do many unleaded gasolines, and many drivers prefer a higher-performance fuel.
C. Pre-1975 automobiles can run on both leaded and unleaded gasoline.
D. Automobiles using only leaded gasoline were driven, on avg, fewer miles in 1988 than the average for all automobiles.
E. In 1988 some pre-1975 cars were equipped with new engines designed to use only unleaded gasoline.
The OA is D
Can someone explain pls?
