Prescription for Marilyn Jones
Piroxicam 20 milligrams (mg) capsules: take 1 capsule 2 times a day
Glucotrol 2.5 milligrams (mg) tablets: take 1 tablet every morning
Isoniazid 100 milligrams (mg) tablets: take 1 tablet 3 times a day

The pharmacy only has 5 milligrams (mg) Glucotrol tablets. How many tablets will Marilyn take in 8 days? (show your work)