Answer:
A) Bacteria left after taking the new drug = 126,300 bacteria
B) The new cost is $44.10
C) the has to produce 181,819 drug to make $2 million profit.
Step-by-step explanation:
Given:
New drug eliminate 70% of bacteria. If there are over 100,000 bacteria after the new drug the patient has to take another drug which cost 40% more expense.
<u>Part A</u>
A new patient has 421,000 bacteria.
The new drug eliminate 70% of the bacteria.
Eliminated bacteria = 70% of 421,000
= 
Bacteria left after taking the new drug = 421,000 - 294,700
Bacteria left after taking the new drug = 126,300 bacteria
<u>Part B</u>
The new cost 40% more than $31.50
New cost = $31.50 + 40% of 31.50
= 
The new cost is $44.10
<u>Part C</u>
The company produces them with $11 profit.
The company has to make $2,000,000 profit.
The number of drug produce = $2,000,000 divided by $11
= 
The drug cannot be in decimal form.
So, the company has to produce 181,819 drug to make $2 million profit.