His sum should be more than 48.
I know because if you throw away the decimal pieces
and just add up the whole numbers  45  and  3 ,
right there you would have 48 .  So when you include
the decimal pieces, they'll make it even bigger.
        
                    
             
        
        
        
Answer: 2000
Step-by-step explanation:
Set up equation
The total signatures she needs is 4 times as many as she has. From this we can create the equation (4n = total signatures)
We know that the total number of signatures is 8000, so plug this into the equation to get 4n = 8000
Solve for n
Now that we have an equation, we can solve for n by dividing both sides by 4
4n = 8000
n = 8000 / 4 = 2000
Final Answer
Fiona has collected 2000 signatures so far
 
        
             
        
        
        
The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate. The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other.
 
        
             
        
        
        
Answer:
4
Step-by-step explanation:
Ok.....Since I can't graph it, we can make a table
x       y
3       9
1        1 
From 9 to 1, you subtract 8 (this is for the y section)
From 3 to 1, you subtract 2 (this is for the x section)
Now all you have to do is divide the y with the x
y/x = 8/2 = 4
And 4 will be your slope for these two points.
Hope this helped!
 
        
                    
             
        
        
        
Answer:
200 Years
Step-by-step explanation:
0.5% X 10 = 5% Increase. So after 10 years 5% Increase
0.5% X 100 = 50% increase. So after 100 years 50% Increase
0.5 X 200 = 100% Increase. So after 200 years it will double.