Answer:
12.5% increase
Step-by-step explanation:
To find the percentage increase ( students joined)
Take the new number minus the original amount
There are 27 students in the class after 3 joined
27 - 24 = 3
Divide by the original amount
3/24 = 1/8 = .125 = 12.5%
Answer:
186
Step-by-step explanation:
if I am understanding your question correctly
The actual height of the building is 67 1/2 feet
<h3>Complete question</h3>
The courthouse is the tallest building in the city. If it is 7 1/2 inches tall in the model, how tall is the actual building?
Scale factor: 1 inch = 9 feet
<h3>How to determine the actual height?</h3>
The given parameters are:
- Scale height = 7 1/2 inches
- Scale factor: 1 inch = 9 feet
This means that:
7 1/2 inches : Actual = 1 inch = 9 feet
So, we have:
Actual =7 1/2 * 9 feet
Evaluate the product
Actual = 67 1/2 feet
Hence, the actual height of the building is 67 1/2 feet
Read more about scale ratio at:
brainly.com/question/12416132
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