One group of students have 12 red pencils and 36 green pencils. Another group of students has 30 red pencils and 90 green blocks. Which proportion correctly describes the relative amounts of each color?
*
12/36
⅓
12/36 = 90/30
12/36 = 30/90
*
12/36
⅓
12/36 = 90/30
12/36 = 30/90