2/10 (or 1/5 ) Times 2/10 (or 1/5)
This will equal a 1 out of 25 chance. 
You take the number of items you are looking for ( for example, 2 Tomato Cans) Divided by the total items you have (All 10 cans that are a possibility). Then you take your probabilities, and multiply them.
        
             
        
        
        
So...
ANS of 
7(a)=(30)+(n x 20)        {n=n. of hours}
7(b)= with my mind
        
             
        
        
        
Answer:
105
Explanation:
Adding 5% of 100, to 100 is:
100(0.05) + 100
The extra 100 is added because 100(0.05) only gives you what 5% of 100 is.
 
        
             
        
        
        
Answer:
something that motivates me is music 
Step-by-step explanation:
since I can't work with music that makes me sing i listen to lofi music. try listening to chilled cow lofi study music