Answer:
Both posters are accurate representations of the painting.
Step-by-step explanation:
As you can see in the length and height of both posters they have the same aspect ratio than the original painting. You can see that the original painting has a 5:8 aspect ratio, meaning that for every 5 cm of lenght the height will be 8 cm long.
So you just have to make the division:
As the division is equal, the ratio is the same on the first poster and the original.
In the second it would be like this:
As the fractions are equal, the second poster has the same aspect ratio as the original, so both posters are accurate representations of the painting.