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Lera25 [3.4K]
3 years ago
7

An arborist examined trees in an orchard to see if they were infected with a virus. Out of 90 trees, 40% had the virus. How many

trees were infected with the virus?
Mathematics
1 answer:
Harman [31]3 years ago
6 0

Answer:

36 trees were infected with the virus.

Step-by-step explanation:

Given:

Total number of trees =  90

Percentage of tree that had virus  40%

To find:

Number of tress that were infected by virus = ?

Solution:

Let the number trees that was affected by the virus be X.

then

X = 40% of 90

X = \frac{40}{100} \times 90

X = 0.4 \times 90

X= 36

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