The recommended single dose for a particular drug is 100 mg. how many doses can be obtained from 20 grams of the drug?
a. 2,000 doses
b. 200 doses
c. 2 doses
d. 20 doses

B. 200 doses

Step-by-step explanation:

Given,

1 dose is required for 100 mg,

Since, 1 mg = 0.001 g,

⇒ 100 mg = 0.1 g

⇒ 1 dost is required for 0.1 g,

Thus, the ratio of doses and quantity ( in gram ) is

Let x be the doses required for 20 grams,

So, the ratio of doses and quantity is

Hence, 200 doses can be obtained from 20 grams of the drug.

Option 'B' is correct.

is should be y = 5x

step-by-step explanation:

correct me if im wrong