Here is the set using D = rt.
Jet 1: 
rate = 377 mph
time = x
Distance = 9128 miles
Jet 2:
rate = 275 mph
time = x
Distance = 9128 miles
Equation:
377x + 275x = 9128
You finish.
        
             
        
        
        
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I hope this helps.=)
Tags:  <em>sine sin common angles trig trigonometry </em>
 
        
             
        
        
        
Answer:t=1
Step-by-step explanation:
16-2t=t+9+4t
Collect like terms 
4t+2t+t=16-9
Combine like terms 
7t=7
Divide both sides by 7
7t ➗ 7=7 ➗ 7
t=1
 
        
             
        
        
        
Answer:
b is right
Step-by-step explanation:
 
        
             
        
        
        
5/10 because it is equivalent to 1/2
So the answer is 5/10