6/7, 12/14, 18,21, 24/28, 30/35, 36/42 in so on
With the 3 colors - red=1, yellow=2 and green=5 - adding up to 8, that is one quarter the total of 32. Multiply each by 4 and you'll have - 4:8:20.
Next multiples of the unit fraction 1/5 are
2/5
3/5
4/5
5/5 = 1
Hope this helps.. :)
-3x + is greater than or equal to 35
hope this helps!