Answer:
-1
Step-by-step explanation:
Given the equation:

Substitute
into this equation:

Subtract 4:

It would take 10.7 years.
The formula for continuously compounded interest is:

where P is the principal, r is the interest rate as a decimal number, and t is the number of years.
Using our information we have:

We want to know when it will double the principal; therefore we substitute 2P for A and solve for t:

Divide both sides by P:

Take the natural log, ln, of each side to "undo" e:

Divide both sides by 0.065:
Given
A survey found that 12 out of 30 people preferred bacon over sausage.
Find out the what percent of people prefer bacon over sausage.
To proof
As given in the question
survey found that 12 out of 30 people preferred bacon over sausage.
Total number of people = 30
people preferred bacon over sausage = 12
Formula
put the value in the formula

solve the above
percent of people prefer bacon over sausage = 40 %
Hence proved
Answer:
Step-by-step explanation:
15 + 45 = 5( _ + 9)
60 = 5 ( 3 + 9)
60 = 5(12)
60 = 60
Answer:
37.5 %
Step-by-step explanation:
decrease in price=72-45=27
% decrease=27/72 ×100=75/2=37.5