Answer:
Advantages of mathematical models are they are useful and easy to prodce allowing faster decision making. They can help us to grow our understanding of the real world and they enable us to be made as well as help provide to understand the exact condition of stability for the considered system.
Step-by-step explanation:
Advantages of mathematical models are they are useful and easy to prodce allowing faster decision making. They can help us to grow our understanding of the real world and they enable us to be made as well as help provide to understand the exact condition of stability for the considered system.
60/500=36/x
60*x=500*36
x=(500*36)/60
x=(500*3)/5
x=300
Answer:
17.4%
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:

In which E is the interest amount, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time, in year.
In this question:
He borrowed $460, so 
Paid $60 interest, so 
9 months. So 
We have to find I.




So the correct answer is:
17.4%
Answer:
434
Step-by-step explanation:
29-20=9
20-11=9
9*47=423
423+11=434