## Task 1

The mother is supposed to give her sick daughter a tablet four times, each time half an hour apart.

a) How many minutes are there between the administration of the first and the fourth tablet?

b) Give the result in hours and minutes.
Between the two time points, there are $90 \mathrm{~min}$, i.e. $1 \mathrm{~h} 30 \mathrm{~min}$.