Thirty six members of the middle school choir or 30% participated in the regional contest as shown in the model below
What is your question?
To determine the total number of members in the middle school choir, we first need to find the whole value of 100%. Since we know that 30% participated in the regional contest, we can set up a proportion:
30% / x = 36 / 100
To solve this proportion, we can cross-multiply:
30 * 100 = 36 * x
3000 = 36x
Now, we can solve for x by dividing both sides of the equation by 36:
3000 / 36 = x
x ≈ 83.33
Therefore, the total number of members in the middle school choir is approximately 83.