Three equivalent fractoins for 9/12

9⁽³/12 = 3/4

²⁾9/12 = 18/24

³⁾9/12 = 27/36

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.