Answer:
what  are you trying to ask?
Step-by-step explanation:
 
        
             
        
        
        
Answer:
answer: 2:2
Step-by-step explanation:
1:2+2:2 to get 3:4
 
        
             
        
        
        
Answer:
No
Step-by-step explanation:
10/18 does not equal 45/18
An example of a proportional number is:
4/5 and 8/10
Both numbers are multiplied by 2 making them proportional
10/18 and 45/18 are not proportional
Hope this helped :)
 
        
             
        
        
        
Answer:
13
Step-by-step explanation:
Questions with multiple signs are solved using the rule of BODMAS. Which means, Bracket Of Division, Multiplication, Addition and Subtraction.
In the question, we have Bracket, Addition and Subtraction, and will be answered in that order
1-1(0)-55+67
1-0-55+67
1-0+(-55+67)
1-0+(12)
1+12
13