20.
c
(paras 1-15b(2), 1-20)
IF
100 mg THEN 30 mg
2 ml
=
X ml
100 X
= 2 30
100X
=
60
100
100
X = 0.6 ml
21.
d
(paras 1-17, 1-20)
3 percent = 3 gm/100 ml.
IF
3 gm
THEN 0.3 gm
100 ml
=
X ml
3 X = 0.3 100
3X = 30
3
3
X = 10 ml
22.
a (paras 1-17, 1-20)
1
= 1 g/100 ml = 1000 mg
100 ml = 10 mg/ml
IF
10 mg THEN 50 mg
1 ml
=
X ml
10 X = 1 50
10X = 50
10
10
X = 5 ml
23.
c (paras 1-10b, 1-21)
1 gram = 1000 mg
WANT =
350 mg
HAVE
1000 mg
=
0.35
24.
d
(table 1-13)
MD0913
1-44