Colfax:
 Add the ratio numbers together:
5 + 4 = 9
Divide total students by that:
270 / 9 = 30
Multiply each ratio by 30:
Boys = 30 *5 = 150
Girls = 30 * 4 = 120
Do the same for Winthrop:
4 +5 = 9
180 /9 = 20
Boys = 20 * 4 = 80
Girls = 20 * 5 = 100
Total students = 270 + 180 = 450
Total Girls = 120 + 100 = 220
Fraction that are girls = 220 / 450 which reduces to 22/45
 
        
             
        
        
        
Answer:
-6 ≤ x ≤ 16
Step-by-step explanation:
First, apply absolute value rule:
x - 5 ≤ 11 and x - 5 ≥ -11
Then, we add 5 on both sides with both inequalities:
x ≤ 16 and x ≥ -6
Finally, combine the inequalities:
-6 ≤ x ≤ 16
And we're done ^^
 
        
             
        
        
        
D. (I used 3.14 as pi so my answer was a little off so I just went with the one closest to my answer)
 
        
                    
             
        
        
        
Answer: use order of operstions
Step-by-step explanation:
 
        
                    
             
        
        
        
9514 1404 393
Answer:
   22
Step-by-step explanation:
The number of Monster High dolls is ...
   12% × 25 = 3 . . . dolls
The others are not Monster High dolls. Their number is ...
   25 -3 = 22 . . . not Monster High dolls