Examples of benchmarks are: 1/2, 1/4,1, 0. 
These are just a few examples of benchmarks. I hope this helps. Remember benchmarks are numbers that you can use on a number line as a guideline. Mark as brainliest! :)
        
             
        
        
        
Answer:
52% 
Step-by-step explanation:
First, find the difference between this year's sales and the previous'. 1500-990=510. 
Now we can divide 990 by 510 to find the percent increase. 510/990=0.515151515152, or 52%.
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
So, we started out with 128 ounces of milk. 
Each day, Joann drinks 14 ounces of milk. 
Therefore, the amount of milk left over after x days is 14 times x subtracted from 128. 
Therefore, our function is: 

And we're done!
 
        
             
        
        
        
Answer:
12+8=x or x-8=12 and they collected 20 leaves yesterday 
Step-by-step explanation: Since they collected 8 fewer today, to find yesterday u would have to add. 12+8=20. PS idk if that makes sense srry