Asked by Sierra Elizabeth
                Terry has completed 15 homework problems, and Susan has competed 9. Terry is completing 10 problems per hour and Susan is competing 12 problems per hour. After how many hours will terry and susan have completed the same number of problems ??
            
            
        Answers
                    Answered by
            Damon
            
    terry = 15 + 10 t
susan = 9 + 12 t
so
15 + 10 t = 9 + 12 t
2 t = 6
t = 3 hours
    
susan = 9 + 12 t
so
15 + 10 t = 9 + 12 t
2 t = 6
t = 3 hours
                    Answered by
            Sierra Elizabeth
            
    @damon so 3 hours ?
    
                    Answered by
            Damon
            
    Yes, but figure out why.
    
                    Answered by
            Sierra Elizabeth
            
    Um because at 3 hours they have the same amount of problems done.
    
                    Answered by
            Damon
            
    Exactly
    
                    Answered by
            Sierra Elizabeth
            
    @damon thank you 
    
                    Answered by
            Sweaty Nuts
            
    The answer is 10 hours got 100%
    
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