To celebrate the children's day on June 1, a classroom with colored light bulbs is arranged. The color of three small red bulbs is (red), yellow and two green. The color of thirty-seventh small bulbs is () color.

To celebrate the children's day on June 1, a classroom with colored light bulbs is arranged. The color of three small red bulbs is (red), yellow and two green. The color of thirty-seventh small bulbs is () color.

37 / (3 + 2 + 2) = 5 + 2
The second color should be red
So 37 small bulbs are red