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OpenStudy (anonymous):
30 + (2 + 19) Which of the following expressions is equivalent to the expression above? A. (30 + 2) + (30 + 19) B. 30 + (19 + 2) C. (30 + 2) x (30 + 19) D. 30 x 2 + 30 x 19
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OpenStudy (anonymous):
not A
OpenStudy (anonymous):
its B
OpenStudy (anonymous):
Thanks!
OpenStudy (anonymous):
They just switched 19 and 2 but is still equals 51. they just switched the 2 numbers.
OpenStudy (anonymous):
your welcome!
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