Question

5\
the maximum speed limit is 70 miles per hour on interstate highways\
x<\
number line with 62, 64, 66, 68, 70, 72, 74, 76, 78, 80 marked

Explanation:

Step1: Define variable for speed

Let $s$ = driving speed (mph)

Step2: Translate limit to inequality

Maximum speed is 70, so $s \leq 70$

Step3: Graph the inequality

• Locate 70 on the number line.
• Use a closed dot (since 70 is allowed) and shade all values to the left of 70.

Answer:

The correct inequality is $\boldsymbol{s \leq 70}$. For the number line, plot a closed dot at 70 and shade all points to the left (toward lower speeds).