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OpenStudy (anonymous):
Which math expression represents the phrase? 9 times the sum of a number and 7 A. 9 · n + 7 B. 9 · (n + 7) C. 9 · (n – 7) D. 9 · (n · 7)
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OpenStudy (midhun.madhu1987):
how can u represent sum of a number and 7? let the number be x.
OpenStudy (texaschic101):
think about it....the sum of a number and 7...this means your adding a number and 7.
OpenStudy (anonymous):
the answer is 9 · (n + 7)
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