The number of falls per event is 3 (second option).
The number of falls per event can be determined by using the mathematical operation, division. Division is the process of splitting an amount into equal parts using another number. For example, to divide 12 by 3, 12 has to be divided into equal parts using 3.
The sign used to represent division is ÷. The other operations used in mathematics are addition, subtraction and multiplication.
The number of falls per event = total times Grady fell off the horse / number of rodeo events
156 / 52 = 3 times
To learn more about division, please check: https://brainly.com/question/194007
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