Answer:
Alejandra y Cecilia pueden encontrarse el Sábado por la tarde.
(Alejandra and Cecilia can meet on Saturday afternoon.)
Ellas pueden almorzar en un café en el parque, subir a la vuelta al mundo y a los autitos chocadores.
(They can have lunch in a cafe in the park, go on the big wheel and the bumper cars.)
The best way to solve this type of reading and comprehension exercises is to read the text several times and identify the words you know, in order to see if you can interpret the text by its context.
It is also always useful to have a dictionary or a translator at hand, to find those words that you do not know and clear all your doubts.
