5:8 and 20:32 would be a proportion.
Easy way to find this:
Set up the proportion as a fraction.
Use the cross product property. Multiply the diagonals and if the products of the diagonals are the same, then they are proportional.
Answer:
can i see a pic
Step-by-step explanation:
<h2>Required Answer:</h2>

<h2 /><h2>Question:</h2>
- There are 20 classrooms in the high school with 30 students in each class. How many students are in the school?
<h2>To find:</h2>
<h2>Given:</h2>
- Total no. of classrooms = 20
- students in each class= 30
<h2>Answer:</h2>
- Total no. of students in school= Total no. of classrooms×students in each class
- Total no. of students in school=20×30
- Total no. of students in school=600
best of luck! ^_^
Answer:
320 in
Step-by-step explanation:
Answer:
No.
Here's the break why it is not proportional...

The proportion breaks near the end because the multipliers no longer match.