Middle School

Negative three times a number is at least 57.

a. \(-3n \geq 57; \{n \leq -19\}\)
b. \(-3n \leq 57, n \geq -19\)
c. \(-3n \geq 57, \{n \leq -19\}\)
d. \(-3n > 57, \{n < -19\}\)