Converting 20.0cm to hight

Question and answers are in the attached picture. you so much in advance.

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

True or false look at the picture pls : /