Answer:
B. A cow of 5 years is predicted to produce 5.5 more gallons per week.
Step-by-step explanation:
Let 
, where 
is the age of the dairy cow, measured in years, and 
is the predicted milk production, measured in gallons per week.
Besides, we consider 
and 
, such that 
, we define the difference between predicted milk productions (
) below:
(1)
If we know that 
and 
, then the difference between predicted milk productions is:
That is, a cow of 5 years is predicted to produce 5.5 more gallons per week than a cow of 10 years. Hence, the right answer is B.
Answer:
49
Step-by-step explanation:
x=180-131=49
Answer:
The amount of change she received was 
dollar.
Step-by-step explanation:
Price of each carton of milk is 
cents and she bought 3 cartons of milk.
We know that, <u>1 dollar = 100 cents</u>
So, 1 cent = 
dollar.
and cents 
dollar.
Thus, <u>the total price of 3 cartons of milk</u> 
dollar.
She gave the cashier $10.
So, the amount of change she received 
dollar.
