An arborist examined trees in an orchard to see if they were infected with a virus. The arborist counted 464 infected trees and 336 healthy trees. What percentage of the trees in the orchard were infected?

Correct answer: Infected trees 58%

Step-by-step explanation:

We can set the classical proportion, but the required percentage is faster when we divide the number infected with the total number of trees and multiply by 100, which means

x% = (464/800) · 100 = 58%

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