s1520589 s1520589

07-02-2021
Mathematics

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seventy-eight times n is at least 312. write your solution in interval notation

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angstar4 angstar4

07-02-2021

78n > 312
n > 312/78
n > 4

[4, infinity)

Use a closed bracket [ for 4 because I can equal exactly 4 when we plug in to get 312

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