6x - 11 + 15x + 2 = 180
21x - 9 = 180
21x = 189
x = 9
—
D = 15(9) + 2
D = 135 + 2
D = 137
        
             
        
        
        
65% of the coins flipped landed with heads facing up because 13 were faced up out of 20.
Divide:
13/20=0.65=65%
Hope this helped☺☺
        
             
        
        
        
<h2>
Answer:</h2>
<h3>7</h3>
<h2>
Step-by-step explanation:</h2>

<h2>Hope it help you </h2>