B is greater than 1, so B>1
        
                    
             
        
        
        
Answer:
15
Step-by-step explanation:
the triangles are similar so will be the same proprotion, 
I have attached a picture showing how I solved this. the second traingle is 3 times as large (15 by 12)   compared to the first triangle which is 4 by 5. 
 
        
                    
             
        
        
        
 
all
 
150+67=217 woohoo it's 217 not 2000 sooo him and all boxes
 
        
             
        
        
        
Answer:
0.375
Step-by-step explanation:
510 male out of a total of 1360
510/1360 = 0.375
 
        
             
        
        
        
Answer:
The table is show clearly in the figure attached.
P(boy if favourite activity is swimming) = 8/17 = 0.47
P(girl if favourite activity is sport) = 7/27 = 0.26
P(girl if favourite activity is reading) = 4/6 = 0.67
P(boy if favourite activity is sport) = 20/27 = 0.74
P(favourite activity is swimming if a girl) = 9/20 = 0.45
P(favourite activity is reading if a boy) = 2/30 = 0.07
P(favourite activity is swimming if a boy) = 8/30 = 0.27
P(favourite activity is reading if a girl) = 4/20 = 0.2