Answer:
Gemma gets 3 biscuits 
Zak gets 18 biscuits 
Step-by-step explanation:
1:6 = 1+6 
= 7
1/7 * 21 = 3
6/7 * 21 = 18
 
        
                    
             
        
        
        
Answer:
The answer is 13.50x
Step-by-step explanation:
81 / 6=13.5 per week
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:


- In order to combine these two equations, an idea you need to keep in mind is finding a way of setting these equations as equal to each other. I saw that each equation shared a common value,  . In this case, we need to isolate . In this case, we need to isolate in the first equation so that both equations in the first equation so that both equations . .

 
 


- With this, we now know that both  and and are equal to are equal to , so we can set them equal to each other. , so we can set them equal to each other.



- Reply to this if anything I'm saying or doing is confusing in any way, or if you find a mistake. :) Solve for  . .







- Hopefully this answer is correct AND makes sense in terms of how I achieved it. Again, reply to this with any questions or mistakes I made and I'll do my best to answer or fix them.
   
 
        
             
        
        
        
Answer:
It is 35x+20
Step-by-step explanation:
 
        
                    
             
        
        
        
It would be 2,000. 1,873 rounded to the next number is 2,000, if the number was 1,499 you would round down but since the second number is higher than 5 you round up no matter what