Asked by Hailey
                I am having trouble, I have a question I think I got the answer because I kept multiplying and dividing, but I have to show my work but when i try, my answer is not the same.
The question is A traffic light at one intersection changes every 28 seconds and the light at the other intersection changes every 32 seconds. How long until they both change together?
I got every 8 light changes. Can you please help me solve this?
            
        The question is A traffic light at one intersection changes every 28 seconds and the light at the other intersection changes every 32 seconds. How long until they both change together?
I got every 8 light changes. Can you please help me solve this?
Answers
                    Answered by
            Hailey
            
    sorry forgot to put math.
    
                    Answered by
            Hailey
            
    I got it, it is every 224 seconds. I had to find the LCM to find the GCF. I then had to multiply 28 and 32 to divide the GCF which gave me 224. Thanks anyway.
    
                    Answered by
            Jen
            
    Definitely not 2nd grade..
    
                    Answered by
            bill
            
    it is 1,235,1469,2587,265,874 times 1million
    
                    Answered by
            kally
            
    don't listen to bill.
he is in high school.
    
he is in high school.
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