Posted by susan on Wednesday, February 1, 2012 at 6:44pm.
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?

3rd grade math (not algebra!)  J.R., Wednesday, February 1, 2012 at 7:01pm
4 yellow bikes
8 blue bikes
6 green bikes
4+8+6=18

3rd grade math (not algebra!)  susan, Wednesday, February 1, 2012 at 7:44pm
can you post how you solved it...I can
solve it using algebra.. but can't figure it out otherwise!!!

3rd grade math (not algebra!)  J.R., Thursday, February 2, 2012 at 5:01pm
Ehh I just knew

3rd grade math (not algebra!)  Bobby, Saturday, February 4, 2012 at 7:26am
There is 10 blue bikes 6 green bikes and 2 yellow bikes

3rd grade math (not algebra!)  Selma, Monday, August 15, 2016 at 1:18pm
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

3rd grade math (not algebra!)  Iris, Wednesday, January 11, 2017 at 9:49am
18 bikes in all. 4 more blue than yellow, 2 less yellow than green, how many green bikes are there?
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