Algebra-1

To determine which ratio forms a proportion with 10:15, we need to check which of the given ratios is equal to 10:15. We can simplify each option and compare them directly.

 

Option A, 20:25

Simplify 20:25 by dividing both terms by 5:

20:25 = 4:5

20:25 simplifies to 4:5. This is not equal to 10:15, so it is not proportional to 10:15.

 

Option B, 16:24

Simplify 16:24 by dividing both terms by 8:

16:24 = 2:3

16:24 simplifies to 2:3. This is equal to 10:15 because 10:15 can also simplify to 2:3, so 16:2...