take the average. sum them and divide by 2.
28-9 = 19
19/2 = 9.5 = the number half way between -9 and 28
Sara S.
asked 08/31/21take the average. sum them and divide by 2.
28-9 = 19
19/2 = 9.5 = the number half way between -9 and 28
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