The the scale factor is 9
You can do this by dividing the values of the sculpture by the model
For example:
L: 72/8 = 9
W: 54/6 = 9
H: 81/9 = 9
$5.67 decided by 3 = $1.89
For this case the first thing we should do is find the percentage of people surveyed who said that pizza pizza was their favorite type of pizza.
We have then:

We are now looking for 52.5% of 1600 people.
For this, we make the following rule of three:
1600 ----------> 100%
x ---------------> 52.5%
Clearing the value of x we have:
Answer:
the most reasonable estimate for the number of Trinity Food Festival attendees whose favorite type of pizza is sausage pizza is:
x = 840
33/3=11
There are 11 students per class.