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In a study, 200 patients were infected with a virus. If 40% of them developed sy
Practice Questions
Q1
In a study, 200 patients were infected with a virus. If 40% of them developed symptoms, how many patients showed symptoms?
80
60
40
20
Questions & Step-by-Step Solutions
In a study, 200 patients were infected with a virus. If 40% of them developed symptoms, how many patients showed symptoms?
Steps
Concepts
Step 1: Understand that 40% means 40 out of every 100.
Step 2: Convert 40% to a decimal. 40% as a decimal is 0.4.
Step 3: Multiply the total number of patients (200) by the decimal (0.4).
Step 4: Calculate 0.4 * 200, which equals 80.
Step 5: Conclude that 80 patients developed symptoms.
No concepts available.
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