You can first convert everything to ounces and then subtract, when you get your answer convert it back to lbs.
*16 oz = 1 lb
12 lbs 5 oz = 197 oz
7lbs 10 oz = 94 oz
197 - 94 = 103
103/16 
= 4 lbs and 7 oz
hope this helps :)
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
7h + 50= 99
99-50 =49
7h=49
49/7
h=7
here's the steps i don't know which part you need
 
        
             
        
        
        
The total amount of people in the club is 50.
        
             
        
        
        
Answer:
1/5
Step-by-step explanation:
first write the formula of average speed 
- 2) then equate the values of given question 
- 3) you will find the solution 
 
        
             
        
        
        
Answer: A = 5
The Wise Orange found an image that may be helpful: