Question

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find the rule and complete the table.
in out
72 18
76 19
20
88 22
92 23
96

Explanation:

Step1: Find the rule

By observing, we can see that the rule is to divide the "In" number by 4 to get the "Out" number. For example, $72\div4 = 18$, $76\div4=19$.

Step2: Find the missing "In" number

If the "Out" number is 20, then the "In" number is $20\times4 = 80$ since the rule is In $\div4=$ Out.

Step3: Find the missing "Out" number

If the "In" number is 96, then the "Out" number is $96\div4=24$.

Answer:

The missing "In" number is 80 and the missing "Out" number is 24.