MMMMCMXCIX or 4,999 is the largest numer. Roman numerals only go to 1,000
        
             
        
        
        
Answer:
<h3>15</h3>
Step-by-step explanation:
<h2>you need to find the lcf(least common factor) of the two numbers which is 15</h2>
 
        
             
        
        
        
Grace weighed 167 pounds before she started her exercise program.
Step-by-step explanation:
Given, 
Weight lost by Grace = 45 pounds
Weight of Grace after exercise weeks = 122 pounds
Let, 
x represents the weight of Grace before she started the exercise program.
Loss means subtraction, therefore, 
We will subtract the lost weight from original weight. 
Original weight - Weight lost = Weight after exercise weeks

Adding 45 on both sides 

Grace weighed 167 pounds before she started her exercise program.
Keywords: equation, addition
Learn more about addition at:
#LearnwithBrainly
 
        
             
        
        
        
Answer:
1,100 is the answer.
Step-by-step explanation:
Since the difference of the subtraction problem is 1,103, when it is rounded, it becomes 1,100.