Question

advanced percents
part 3 of 4 1 2 3 4 trying to earn
please do this problem in your head if you can! you can use paper and pencil if you need to, but dont use a calculator.
99.99% of auto repair shops did not have complaints lodged against them last year
another way of saying this is to say that 1 in of the auto repair shops had complaints lodged against them.
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Explanation:

Step1: Find complaint rate

$100\% - 99.99\% = 0.01\%$

Step2: Convert to fraction

$0.01\% = \frac{0.01}{100} = \frac{1}{10000}$

Step3: Interpret fraction as "1 in X"

If $\frac{1}{10000}$ had complaints, this means 1 in 10000 shops had complaints.

Answer:

10000