let x be the number of sales Hayward needs to make
316+23x > or equals to 500
23x> or equals to 184
x> or equals to 8 
 
        
             
        
        
        
Answer:

Step-by-step explanation:

                      




 
        
             
        
        
        
Answer:
12 girls.
Step-by-step explanation:
24 ÷ 2 = 12 
(This is divided to find out 1 part of the whole class as ⅓)
⅓ = 12
1 (whole) take away ⅔ = ⅓
Since ⅔ + ⅓ = 1
⅓ = fraction of girls in class 
1 part = 12
So ⅓ = 12 girls out of 36 total students
Hope this helps. :)