A.) 75 x 60 = 4500 in an hour 4500 x 24 = 108000 in a day 108000 x 365 = 39420000 in a year 39420000 x 45 = <span>1,773,900,000 in 45 years </span>B.)2200800 / 75 = 29344 mins 29344 / 60 = <span>489.066666667 hours </span>489.066666667 / 24 = 20.37777778 you get it
