Answer:
1. Esa falda elegante está de moda.
2. ¿Compraste aquellos trajes marrones?
3. Este sombrero cuesta cuarenta dólares.
4. Pienso comprar aquella camisa verde.
5. Esas vendedoras están organizando los zapatos.
Explanation:
You must pass the sentences to the singular or plural, as appropriate.
In Spanish, the adjective is plural, respecting the gender of the noun.
To classify the noun we take into account the number (one or more than one). In other words, the singular class is an element. The plural, on the other hand, is distinguished by the presence of more than one element.