Respuesta :

Answer:

.25mm a week

Step-by-step explanation:

There are 52 weeks in a year.

13/52=.25

Answer:

0.27

Step-by-step explanation:

13/12=1.08/4=0.27

you divide by the number of months in a year to get the growth for a month. then you divide by the number of weeks in a month to get the growth for one week.