Since there are 72 paper clips as compared to 63 paper clips, we can write this as a ratio. 72:63 is considered a ratio. Ratios are a comparison of two things.
72:63 can be further simplified. In order to simplify this, we can divide both numbers by 9.
72 ÷ 9 = 8 63 ÷ 9 = 7
8:7
Thus, the final answer in simplified form is 8:7
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