QuestionWhat percent of 30 computers are working if 3 are out of service?

Studdy Solution

STEP 1

Assumptions1. The total number of computers is30. . The number of computers out of service is3.
3. We need to find the percentage of computers operating properly.

STEP 2

First, we need to find the number of computers that are operating properly. We can do this by subtracting the number of computers out of service from the total number of computers.
$Operating\, computers = Total\, computers - Out\, of\, service\, computers$

STEP 3

Now, plug in the given values for the total number of computers and the number of computers out of service to calculate the number of operating computers.
$Operating\, computers =30 -3$

STEP 4

Calculate the number of operating computers.
$Operating\, computers =30 -3 =27$

STEP 5

Now that we have the number of operating computers, we can find the percentage of computers operating properly. The percentage is calculated by dividing the number of operating computers by the total number of computers and then multiplying by100.
$Percentage\, of\, operating\, computers = \left(\frac{Operating\, computers}{Total\, computers}\right) \times100\%$

STEP 6

Plug in the values for the number of operating computers and the total number of computers to calculate the percentage of operating computers.
$Percentage\, of\, operating\, computers = \left(\frac{27}{30}\right) \times100\%$

STEP 7

Calculate the percentage of operating computers.
$Percentage\, of\, operating\, computers = \left(\frac{27}{30}\right) \times100\% =90\%$ 90% of the computers are operating properly.

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