Hi!
First, find the total percent of vehicles with at least 3 people. 
15% + 7% + 3% = 25%
Now find 25% of 420
Set up a proportion and cross multiply to solve. 

25 * 420 = 10500
10500/100 = 105
The answer is 105 vehicles contained at least 3 people.
Hope this helped! :)
-Peredhel
 
        
             
        
        
        
Answer:
 the volume is 120
Step-by-step explanation:
the formula for volume with length times width times height. Just multiply 3 x 5 x 8
 
        
             
        
        
        
Answer: The vertex form is h(x)=(x-3)^2-6
Step-by-step explanation:
Using the complete the square method, first complete any squares 
X^2-6x+(-3)^2-(-3)^2+3
Use the binomial formula 
(x-3)^2 - (-3)^2 +3
Simplify 
(x-3)^2-6
 
        
             
        
        
        
Answer:
Considering the average fence size is 4 feet Kara will need 24 fences 
Step-by-step explanation:
94/4= 23.5
simplified 24