Translation of "settle on" into Spanish

So we're gonna meet at six o'clock to settle on a number.

Vamos a reunirnos a las seis para acordar una cifra.

That is why, when they are in doubt, they usually settle on toys.

Es por eso que, cuando tienen duda, por lo general se deciden por regalar juguetes.

Yeah, well, he hopped on a lot of lily pads before he settled on that one.

Sí, bueno, se subió a muchas hojas de nenúfar antes de decidirse por esa.

You might not want to get her settled on one specific college quite so soon.

Quizá no deberías dejar que se decidiera por una universidad tan pronto.