2.50-2.00=0.5
2.50/0.5= 5 = 100%
2.00/0.5=4 = 80% 
100-80= 20%
        
             
        
        
        
Answer:
m∠1 = 50°
m∠2 = 130°
Explanation:
m∠2 = 130° because of alternate exterior angles.
m∠1 = 50° because it is supplementary to m∠2. So, 180 - 130 = 50.
 
        
             
        
        
        
Answer:
B) 5065
Step-by-step explanation:
100.5 times 5 = 502.5
502.5 times 100 
+ 8 times 5 (commission)
 
        
             
        
        
        
99(x-77)=99(x+88)
99x-7623=99x+8712
99x-99x=8712+7623
0=670824.no solution as x becomes 0