If 3 out of 5 people pass a test how many people will pass the test when 45 people take it?

If 3 out of 5 people pass the test, that means 60% pass. To find out how many out of 45 people will pass, you can calculate 60% of 45, which is 0.6 × 45 = 27. Therefore, 27 people will pass the test when 45 people take it.