So first we divide 140 by 7 because our ratio is a total of 7 dollars to get 20
So we multiply both sides of the ratio by 20 to get a ratio of 40:100 
We can check our answer and it is right because 100+40=140
        
             
        
        
        
Answer:
x≥2
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Rise/run    rise over run
Step-by-step explanation:
y2-y1/x2-x1
 
        
             
        
        
        
Answer:
-.167= -1/6
Step-by-step explanation:
5/12+(-7/12) 
=(5 × 12) + (-7 × 12)
_______________
           12 × 12
=-24/144
=	-24 ÷ 24
       ________
         144 ÷ 24
=	-	1
        _______
               6
 
        
             
        
        
        
1&15 and 3&5 are factors of 15