12 months/year x 21 years = 252 months
672 years x 12 months/year = 8064 months
1000 years x by 12 (months in a year) = 12,000.
There are 60 months in 5 years. 12 months/year x 5 years = 60 months.
36 (3 years x 12 months in a year)
12 months/year x 21 years = 252 months
672 years x 12 months/year = 8064 months
245 months x 1 year/12 months = 20.4 years
1000 years x by 12 (months in a year) = 12,000.
There are 60 months in 5 years. 12 months/year x 5 years = 60 months.
There are 12 months in a year.Therefore: 80 x 12 = 960 months in 80 years.
90 x 12 = 1080 months
36 (3 years x 12 months in a year)
1 year = 12 months 1116 months x 1yr/12months = 93 years
12months x 9 yrs (12 x 9) = 108 months
9 years x 12 months per year = 108 months
120 (12 months x 10 years)