13. 125 mg = 250 mg
5 ml
X ml
125 X = 1250
X = 10 ml
(paras 2-2, 2-3, 2-17)
14. 30 mg = 100 mg
5 ml
X ml
30 X = 500
X = 16.7 ml
(paras 2-2, 2-3, 2-10, 2-14, 2-17)
15. 125 mg = 500 mg
5 ml
X ml
125 X = 2500
X = 20 ml per day (paras 2-2, 2-3, 2-17)
16. 40 mg = 65 mg
1 ml
X ml
40 X = 65
X = 1.6 ml
(paras 2-2, 2-3, 2-18a)
17. 1 mg = 0.3 mg
1 ml
X ml
X = 0.3 ml
(paras 2-2, 2-3, 2-18a)
18. (a)
10 mg = gr 1/4
1 ml
X ml
(b)
60 mg = X mg
gr 1
gr 1/4
X = 15 mg
(c)
10 mg = 15 mg
1 ml
X ml
10 X = 15
X = 1.5 ml (paras 2-2, 2-3, 2-10, 2-18a)
MD0904
2-46