question about math
1.A solution of Halperidol (haldol) contains 2mg/ml of active ingredient. how many grams would be in 473ml of this solution?
2.You have a 70% solution of dextrose 1000ml. How many kg of dextrose is in 400ml of this solution?
3. For the following prescription "methotrexate 2.5mg tab
../vi po q week # 24", the day's supply is
a. 28 days
b. 34 days
c. 42 days
d. 90 days