Answer:
Convert the meters to millimeters
1m = 1000mm
6m = 6000mm
40mm represents 6000mm
Find the scale factor
6000/40 = 150
This means 40 * 150 = 6000
Yup find what 50mm represents:
50 * 150 = 7500
7500mm
7.5m
 
        
             
        
        
        
The last one if I'm not mistaking
        
             
        
        
        
Answer:
452.39
Step-by-step explanation:
 
        
             
        
        
        
1.1 71/72
2.5 17/70
3.35 41/51
 There you go hope it helps