Answer:
The age of Mia is 13 year 6 months 122.64 days old.
Step-by-step explanation:
Given : Mia is
minutes old.
To find : Convert her age to more appropriate units using years, months and days. Assume a year has 365 days and a month has 30 days.
Solution :
Mia is
minutes old.
Converting minutes into year month and days.
We know,
There are 60 or
minutes in an hour.
There are 24 or
hour in an day.
There are 30 or
day in a month.
There are 12 or
month in a year.
For conversion divide all by given unit,




i.e. Mia is 13.528 years old.
Now, 0.528 years into months is 
i.e. Mia is 13 year 6.336 months old.
Now, 0.336 months into days is 
i.e. Mia is 13 year 6 months 122.64 days old.
Therefore, The age of Mia is 13 year 6 months 122.64 days old.