Question

An arborist examined trees in an orchard to see if they were infected with a virus. Out of 80 trees, 20% had the virus. How many trees were infected with the virus?

__ trees

Answer 1

16 trees

Explanation:

An arborist examined trees in an orchard to see if they were infected with a virus. Out of 80 trees, 20% had the virus. Therefore, 16 trees were infected with the virus.

x = 1/5 ⋅ 80/1 = 16

Answer 2

16 trees in the orchard are infected with the virus.