Question: A mural is to be painted with a color pattern that follows a ratio of red to blue to yellow of 3:4:2. If 81 total liters of paint are used, how many liters of each color are needed?
A) Red: 27 L, Blue: 36 L, Yellow: 18 L
B) Red: 24 L, Blue: 32 L, Yellow: 25 L
C) Red: 30 L, Blue: 40 L, Yellow: 11 L
D) Red: 18 L, Blue: 24 L, Yellow: 12 L
Correct answer: A
Grade: 6 | Topic: Ratios and proportions | Difficulty: Medium | Standard: 6. RP. A. 1