Answer: The store receive 3 ounces of peanuts. <em>(Please tell me if you get the answer correct. ^^)</em>
Angelica would have painted the bedroom in 20 hours if every hour she painted 1/20. But she doesn't paint 1/20 of a room per hour but rather 30 minutes. That means it will take her 10 hours to paint the whole room.
Hope this helps.

Haz la sustitución:


Para confirmar el resultado:


Sustituye:


(Te dejaré confirmar por ti mismo.)

Sustituye:



Sustituye:


Podemos hacer que esto se vea un poco mejor:

