Answer: The shortest side in triangle B has a measure of 15 units.
The ratio 
Step-by-step explanation:
Given: Tayler enlarged triangle A proportionally to create triangle B.
She made each side 2.5 times as long.
The length of shortest side in triangle B = 
The shortest side of triangle A =6 units
Then, The length of shortest side in triangle B = 
Also, the ratio 