Answer:
$2.25
Step-by-step explanation:
First, we (always) highlight key details. In this case, we would highlight that th candy is 90 cents per pound, and the she bought 2.5 pounds. Now, we just multiply 2.5 by .90, and boom! We get $2.25. Mrs. Nixon spent $2.25 (or two dollars and twenty-five cents) on candy bars.
 
        
             
        
        
        
I should be A hope this helps
        
             
        
        
        
Answer:
3+2+2-1+2=8
Step-by-step explanation:
Hope this helps!