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Sources of Solid Waste, by Weight, in the United States
Year 1988
Total weight: 160 million tons
Projected Year 2000
Total weight: T million tons
Note: This data was compiled prior to the year 2000.
Year 1988
Total weight: 160 million tons
Projected Year 2000
Total weight: T million tons
Note: This data was compiled prior to the year 2000.
In 1988, if 10 percent of glass waste and 50 percent of paper and paperboard waste were recycled and no other waste was recycled, approximately what percent of the solid waste listed was recycled?
答案：B
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