Final answer:
The fraction representing the division problem '5.34 mL of vinaigrette ÷ 2.5 mL jars' is 5.34/2.5. This is because in division, the dividend becomes the numerator and the divisor becomes the denominator of the equivalent fraction.
Step-by-step explanation:
The correct fraction that can be used to represent the division problem: 5.34 mL of vinaigrette ÷ 2.5 mL jars is 5.34/2.5. This is because, in a division problem, the dividend (the number you are dividing) is the numerator and the divisor (the number you are dividing by) is the denominator. Therefore, 5.34 mL (the quantity of vinaigrette) is the dividend and 2.5 mL (the capacity of each jar) is the divisor. So the fraction representing this problem would be 5.34/2.5, which is option a.
Learn more about Fraction Division