Question: There are red tiles and blue tiles in a box. The ratio of red tiles to blue tiles is 3: 5. There are 12 more blue tiles than red tiles in the box. How many red tiles are in the box?
A) 18
B) 20
C) 30
D) 48
Correct answer: B
Grade: 6 | Topic: Expressions and Equations | Difficulty: Hard | Standard: 6.EE.B.5