Question: A salad dressing is made by combining 2 parts vinegar with 5 parts oil. How many ounces of oil should be mixed with 9 ounces of vinegar?
A) 2
B) 3.6
C) 22.5
D) 63
Correct answer: C
Grade: 6 | Topic: Ratios and proportions | Difficulty: Medium | Standard: 6.RP.A.3b