Abdi has two electrical train sets: A and B. Each train is on its own circular track. He start both trains at the same time . Train A returns to its starting
point every 12 seconds. Train B returns to its starting point every 9 seconds. If the trains continue traveling, what is the least amount of time, in seconds, that both trains will arrive at the starting points at the same time?

36 seconds

Step-by-step explanation:

A: 9, 18, 27, 36

B: 12, 24, 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.

1. minimum

2. 6400

3. eight

hope this !