Determine sales tax first change 7% to a decimal =0.07. then multiply 58.40x0.07= $4.08 (amount of sales tax)
Answer:
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.
Answer:
9/3
Step-by-step explanation:
It's going up by 9 and going right by 3.
Remember it's rise over run.