Answer: 120 Packages
Step-by-step explanation:
Given
75 random packages are check
3 package is found faulty
So, the percentage of error is

i.e. 4% packages is faulty
For 3000 sample, expected faulty packages are

It would be: 63 / 28 = 9 / 4
So, your answer is 9/4
Hope it helped.
The answer is 15/100 x 45 =6.75 minutes <span />
60 because all the negatives would cancel out so all you have to do is multiply the numbers
11,13,23,17,3 that's the answer man