Asked by Kayla

Do you guys know this.Six times the number and 30 is at least 21?
Answered by oobleck
yes, it is, as long as
6x >= 21
Answered by oobleck
or is that
6x+30 >= 21?

not sure just what "and" means in this context.
Answered by R_Scott
6n + 30 ≥ 21
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