text: ## Basic College Mathematics (9th Edition)
  
  $\frac{48}{1440}$ = $\frac{1}{30}$
  First we need to calculate the total number of minutes in a day, As in 1 day there are 24 hours and in each hour there are 60 min so total number of minutes in a day are = 24 * 60 = 1440 min People are spending 48 minutes on personal care Americans spend how much time on personal care compared to the total number of minutes in a day = $\frac{48}{1440}$ = $\frac{1}{30}$