Step-by-step explanation:
No. of banana    Cost      Unit price
4                            2             0.50
6                            3              0.50
7                            3.5            0.50
20                          10            0.50
20                          10             0.50
33                          16.50        0.50
Cost = No of banana x unit price
Cost = 4 x 0.50 = 2
Cost = 6 x 0.50 = 3
Cost = 7 x 0.50 = 3.50
Cost = 20 x 0.50 = 10
No of banana = Cost / Unit price
No of banana = 10 / 0.50 = 20
No of banana = 16.50 / 0.50 = 33
 
        
             
        
        
        
2.4/0.3=8
0.3x8=2.4
The scale factor is 8.
        
             
        
        
        
Answer:
Choice A
Step-by-step explanation:
5 red socks, 2 white socks, 3 blue socks = 10 socks
1 st sock red : 5 / 10
2nd sock red : 4/9
we didn't put the sock back
a pair of red socks
5/10 * 4/9 = 20/90 = 2/9