To convert 12,000 centigrams to grams, we can use the conversion factor that 1 gram is equal to 100 centigrams.
- Convert centigrams to grams: \[ 12,000 \text{ centigrams} \div 100 = 120 \text{ grams} \]
Now, we want to convert grams per year to grams per month. There are 12 months in a year.
- Convert grams per year to grams per month: \[ 120 \text{ grams/year} \div 12 = 10 \text{ grams/month} \]
So, \( 12,000 \) centigrams per year is equal to \( 10 \) grams per month.