30t + 20c =< 300
5t + 10c =< 110
10c =< 110-5t
30t + 220-10t =< 300
20t =< 80
t = 4
120c + 20c =< 300
20c = 180
c = 9
        
             
        
        
        
Answer:
Answer: 
Step-by-step explanation:
» x and y can only be got through using trigonometric ratios:
✍ <u> </u><u>For</u><u> </u><u>x</u><u> </u>:

 ✍ <u> </u><u>F</u><u>o</u><u>r</u><u> </u><u>y</u><u> </u>:

 
        
                    
             
        
        
        
The value of 5 ∙ 23 is 115. 
The small dot is typically used as a multiplication symbol. When we multiply these two numbers the result is 115. 
 
        
                    
             
        
        
        
<span>Eighty-four thousand, fifty-two</span>