3 1/2 miles in 3/4 hour
so to get the average speed per hour = 7/2 * 4/3 = 4 2/3 mph
        
                    
             
        
        
        
Answer:
221 minutes
Step-by-step explanation:
52 divided by 20 would be 2.6 then you take the 85 and mulitpy it by 2.6 because 52 is 2.6 times more than 20. so 85 times 2.6 would be 221 minutes.
 
        
             
        
        
        
Answer:
A) 100°
B) 80°
C) 100°
Step-by-step explanation:
Angle A = 180 - 80 = 100°
Supplementary angles 
Angle B = 80°
Corresponding angles 
Angle C = 180 - 80 = 100°
Supplementary angles