Asked by susan
                There are 18 bikes in a bike rack.  There are 4 more blue bikes than yellow bikes  and 2 less yellow bikes than green bikes.  How many bikes of each color are in the rack?
            
            
        Answers
                    Answered by
            J.R.
            
    4 yellow bikes
8 blue bikes
6 green bikes
4+8+6=18
    
8 blue bikes
6 green bikes
4+8+6=18
                    Answered by
            susan
            
    can you post how you solved it...I can
solve it using algebra.. but can't figure it out otherwise!!!
    
solve it using algebra.. but can't figure it out otherwise!!!
                    Answered by
            J.R.
            
    Ehh I just knew
    
                    Answered by
            Bobby
            
    There is 10 blue bikes 6 green bikes and 2 yellow bikes
 
    
                    Answered by
            Selma
            
    from the information above:
I blue = yellow + 4
II yellow = green - 2
OR yellow +2 = green
and we know that
III yellow + blue + green = 18
now insert upper expressions into the III equation:
yellow + (yellow +4) + (yellow +2) = 18
3 yellow + 6 = 18
--> yellow = 4
insert 4 into upper equation and you will get
blue= 4+4
green= 4+2
    
I blue = yellow + 4
II yellow = green - 2
OR yellow +2 = green
and we know that
III yellow + blue + green = 18
now insert upper expressions into the III equation:
yellow + (yellow +4) + (yellow +2) = 18
3 yellow + 6 = 18
--> yellow = 4
insert 4 into upper equation and you will get
blue= 4+4
green= 4+2
                    Answered by
            Iris
            
    18 bikes in all. 4 more blue than yellow, 2 less yellow than green, how many green bikes are there?
    
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