Answer:
I think the answer is A=49
The fraction for the above ratio is 5/9
Where 5- no of cups of bread crumbs needed; 9= pounds of ground beef needed
Step-by-step explanation:
Anything that can be represented in the x/y form constitutes the fraction.
The above statement can be represented in the fraction form as 5/9. It means that for every 9 pounds of ground beef, 5 cups of bread crumbs are needed.
The above fraction provides the ratio in the form of cups of bread crumb/ pound of ground beef required. Where 5 represents the number of cups of bread crumbs required, 9 represents the pound of ground beef needed for the same.
Answer:
![8r^6s^3-5r^5s^4+r^4s^5+5r^3s^6](https://tex.z-dn.net/?f=8r%5E6s%5E3-5r%5E5s%5E4%2Br%5E4s%5E5%2B5r%5E3s%5E6)
Step-by-step explanation:
We want to simplify;
![(8r^6s^3-9r^5s^4+3r^4s^5)-(2r^4s^5-5r^3s^6-4r^5s^4)](https://tex.z-dn.net/?f=%288r%5E6s%5E3-9r%5E5s%5E4%2B3r%5E4s%5E5%29-%282r%5E4s%5E5-5r%5E3s%5E6-4r%5E5s%5E4%29)
We expand the bracket to obtain;
![8r^6s^3-9r^5s^4+3r^4s^5-2r^4s^5+5r^3s^6+4r^5s^4](https://tex.z-dn.net/?f=8r%5E6s%5E3-9r%5E5s%5E4%2B3r%5E4s%5E5-2r%5E4s%5E5%2B5r%5E3s%5E6%2B4r%5E5s%5E4)
We now group the like terms to obtain;
![8r^6s^3-9r^5s^4+4r^5s^4+3r^4s^5-2r^4s^5+5r^3s^6](https://tex.z-dn.net/?f=8r%5E6s%5E3-9r%5E5s%5E4%2B4r%5E5s%5E4%2B3r%5E4s%5E5-2r%5E4s%5E5%2B5r%5E3s%5E6)
We now simplify to get;
![8r^6s^3-5r^5s^4+r^4s^5+5r^3s^6](https://tex.z-dn.net/?f=8r%5E6s%5E3-5r%5E5s%5E4%2Br%5E4s%5E5%2B5r%5E3s%5E6)
The correct answer is C
It's
which gives 5.23 times increase in 10 years, so 523% of oryginal price