Kristin D. answered • 07/12/18
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The answer is 12 - d
d less than 12 only means d<12 if is says "d IS less than 12"
If that still does not make sense, substitute d = 2
"2 less than 12" is 10 which means 12 - 2
Answer: 12 - d
David W.
07/11/18