Answer:
Anna is 41 years old.
Step-by-step explanation:
Easiest way to do this is by building a equation,
Lest say Anna's age is
.
Then as Peter is 3 years older than Anna Peter's age should be
.
Then the combined ages of the two people is given as 85. So we can write an equation as,



(deducting 3 from both sides of the equation)


As we originally took Anna;s age as 
We can say Anna is 41 years old.
Answer:
L=(8x^2+3)/x
Step-by-step explanation:
The area of a rectangle is length time width.
A=LW
In this case,
A=32x^2+12
W=4x
Solve for L
L=A/W
Substitute
L=(32x^2+12)/4x
L=(8x^2+3)/x
5/2 because 5/2 is greater than 1, an improper fraction that does not take a piece of 1 but rather considers whole numbers as that origin
She can make up to 22 bags because you have to add 2.40 and 3.25 together to get 5.65 then divide by .25 to get 22.6 she can make a total of 22 with .6 left over