Answer:
Your answer would be d. 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
0.15
Step-by-step explanation:
0.3*0.5=
3*5=15
15/100=0.15
(brackets mean multiply)
 
        
             
        
        
        
X = 6y - 3
x + y = 53
6y - 3 + y = 53
7y - 3 = 53
7y = 53 + 3
7y = 56
y = 56/7
y = 8
x = 6y - 3
x = 6(8) - 3
x = 48 - 3
x = 45
ur numbers are : 8 and 45