I really need help will give 35 points if the answer is right?

Answer:
3/2, or 1.5
Step-by-step explanation:
The sides are multiplied by 3, then divided by 2.
Answer: 1.5
Step-by-step explanation:
Let's convert 3 and 5 to fractions to make it easier: 3 = 6/2, 5 = 10/2
Now let's find the factor of each corresponding side. 6/2 * x = 9/2
6*1.5 = 9. The scale factor of the old to new rectangle is 1.5. Please consider Brainliest.