Mathematics, 05.05.2020 00:37 dcardenas2005

A biologist studies two different invasive species, purple loosestrife and the common reed, at sites in both wetland and coastal habitats. Purple loosestrife is present in 35% of the sites. Common reed is present in 55% of the sites. Both purple loosestrife and common reed are present in 23% of the sites. What percentage of the sites have the purple loosestrife or common reed present?

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A biologist studies two different invasive species, purple loosestrife and the common reed, at sites...