Solve Each of the Inequalities and Express the Solution Sets $( - \infty , 30 ]$

Multiple Choice

Solve each of the inequalities and express the solution sets in interval notation. Match each of the inequalities with the interval to obtain a true statement.
- $( - \infty , 30 ]$

A) $0.01 x + 0.09 ( 400 - x ) \geq 33.6$
B) $0.06 x + 0.9 ( x + 100 ) > 858$
C) $x \geq 3.18 + 0.47 x$