Answer:
144
Step-by-step explanation:
144/9=16
Answer:
There are 150 blue marbles in Alex's bag.
Step-by-step explanation:
Let , , be the quantities of red, blue and yellow marbles, respectively. From statement we derive three rational equations for initial and final ratios:
Initial ratio
(1)
(2)
Final ratio
(3)
After some algebraic handling we get the following system of linear equations:
(1)
(2)
(3)
The solution of the system of linear equations is:
, ,
There are 150 blue marbles in Alex's bag.
The correct answer is 9:45pm
Given:
The function models the number of movie theaters in the United States t years after 1985.
To find:
The year in which the United States will have 35,000 movie theaters.
Solution:
We have,
Putting f(t)=35000, we get
Divide both sides by 750.
It means, United States will have 35,000 movie theaters 20 years after 1985.
Therefore, United States will have 35,000 movie theaters is 2005.