Question

there was / there were some delicius pink cupcakes near the gril in the blue sweater.

Answer 1

There were some delicious pink cupcakes near the gril in the blue sweater.

Answer 2

Respuesta:
There were some delicious pink cupcakes near the girl in the blue sweater.
Explicación:
Si estuviese en singular, es decir, there was a delicious pink cupcake... Pondríamos there was, ya que solo se usa para singular. There were sirve para plural.