Answer:
10x <= -3
Explanation:
Not sure what the question is here, but if you are looking for the equation, this is it.
If you need to solve for x, just divide both sides by 10 and you get x <= -.3.
If you need to represent it on a number line, you would have a solid dot on -0.3 and a line with an arrow extending to the left indicating all real numbers less than or equal to -0.3 are solutions.