Answer:
4...    hope this will help
Step-by-step explanation:
 
        
             
        
        
        
The expression represents the number of gallons used is m/22.
Given
Nikki can drive her car 22 miles on each gallon of gasoline. 
<h3>What is the unit rate?</h3>
A rate is a ratio that is used for comparing two different kinds of quantities which have different units. 
To find the number of gallons used we will divide the total distance traveled by distance traveled in one gallon.
Therefore,
If Nikki drives m miles, the expression represents the number of gallons used is;


Hence, the expression represents the number of gallons used is m/22.
To know more about the Unit rate click the link given below.
brainly.com/question/11258929
 
        
                    
             
        
        
        
Answer:
.......C........
Step-by-step explanation:
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Easiest way is to find out first how many she runs in a week. For that you can multiply the number of hours she runs a weekday by 5. (3.2*5) That should be 16. Now, since you want to know how many miles she will run in a span of 6 weeks you must multiply it by 6 now. That is 96. Since you know that, let's move on to the weekends. It is 1.5 per weekend day or 3 per weekend. Now you have to multiply 3 by 6 because you want to know for six weeks. Since you have both your numbers now, 18 and 96, you can add them to make a final of 114.