(2)
If a pharmacist has 27 grams of a drug that will be used in a formula to
make 1000 capsules, how many grams of the drug will be in each capsule?
Answer: ___________grams
(3)
How many grams of zinc oxide would be required to make 100 four-
ounce jars of ointment with each jar containing 19.2 grams of zinc oxide?
Answer: __________grams
Answers: (1) 5 grams,
(2) .027 grams,
(3) 1,920 grams.
1-16. ADDING DECIMALS
a. When adding decimals, line up the decimal points and then add as with whole
numbers.
For example:
0.2
0.07
0.2 + 0.07 + 8.6 = + 8.6
8.87
NOTE:
The decimal in the answer falls directly in line with the other decimals.
b.
Work the following:
(1)
16.3 + 0.14 + 0.001
=
___________________
(2)
0.4 + 0.23 + 0.001
=
___________________
(3)
0.002 + 1.432 + 0.01
=
___________________
(4)
111 + 6.12 + 0.0007
=
___________________
Answers: (1) 16.441, (2) 0.631,
(3) 1.444,
(4) 117.1207
MD0802
1-19