Approximate numbers (la decena, el centenar)

QuestionAnswer
protester
el manifestante
banner
la pancarta
The protester was going to paint a banner last night.
El manifestante iba a pintar una pancarta anoche.
The protesters read the leader's banner.
Los manifestantes leen la pancarta del líder.
about ten
la decena
There are about ten protesters in the square.
Hay una decena de manifestantes en la plaza.
About ten students are reading the banner now.
Una decena de estudiantes lee la pancarta ahora.
fortnight / about fifteen
la quincena
The demonstration was going to end a fortnight ago.
La manifestación iba a terminar hace una quincena.
There are about fifteen guards near the street.
Hay una quincena de guardias cerca de la calle.
about twenty
la veintena
We saw about twenty protesters with banners.
Vimos a una veintena de manifestantes con pancartas.
They were going to arrive today, but only about twenty arrived.
Iban a llegar hoy, pero solo llegó una veintena.
about thirty
la treintena
to chant
corear
About thirty people started to chant the slogan.
Una treintena de personas empezó a corear la consigna.
The people were going to chant, but the park was closed.
La gente iba a corear, pero el parque estaba cerrado.
About thirty citizens were chanting in the downtown.
Una treintena de ciudadanos coreaba en el centro.
about forty
la cuarentena
About forty protesters were going to walk over there.
Una cuarentena de manifestantes iba a caminar hasta allí.
Are there about forty banners where the students are?
¿Hay una cuarentena de pancartas donde están los estudiantes?
about fifty
la cincuentena
There are about fifty people, and the door is closed.
Hay una cincuentena de personas, y la puerta está cerrada.
Why were those fifty or so boys going to chant?
¿Por qué iba a corear esa cincuentena de chicos?
hundred / about a hundred
el centenar
A hundred leaders were going to organize the event.
Un centenar de líderes iba a organizar el evento.
A hundred employees are in the street now.
Un centenar de empleados está en la calle ahora.