How to write the fraction 34/100 as a decimal

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?

What could explain what happened when the time was equal to 120 minutes

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'