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OpenStudy (anonymous):
Write a mathematical expression for: the sum of twice a number n and 20. A. n/2 + 20 B. 2n + 20 C. 2n - 20 D. n + 2(20)
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OpenStudy (anonymous):
B.
OpenStudy (experimentx):
looks like same to me .. if you call and by PLUS
OpenStudy (anonymous):
Thank you
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