Answer:
1) La biblioteca tiene más sillas que el laboratorio.
2) Ramón compró tantas corbatas como Roberto.
3) Comí menos que mi hermano.
4) Anabel durmió tanto como Amelia.
5) Mi primo toma menos clases que mi amiga Tere.
Explanation:
1) The library has more chairs than the laboratory.
2) Ramón bought as many ties as Roberto.
3) I ate less than my brother.
4) Anabel slept as much as Amelia.
5) My cousin takes less classes than my friend Tere.