Question

#12
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solve $-27 \leq -5.4a$. graph the solution.
the solution is \boxed{}.

Explanation:

Step1: Divide both sides by -5.4

When dividing an inequality by a negative number, the inequality sign flips. So we have $\frac{-27}{-5.4} \geq a$.

Step2: Calculate the left side

$\frac{-27}{-5.4} = 5$, so $5 \geq a$ or $a \leq 5$.

Answer:

$a \leq 5$ (For graphing, draw a number line, put a closed circle at 5, and shade to the left.)