the speed limit sign on the expressway says the speed limit is 55 mph. write an equality that represents all speeds you can legally drive on the expressway.
Let x represent the speed in mph.
The equality that represents all speeds you can legally drive on the expressway is:
x is less than or equal to 55 mph: x ≤ 55 mph.
To represent all speeds you can legally drive on the expressway, you can write the following equality:
Speed ≤ 55 mph
To represent all speeds that you can legally drive on the expressway based on a speed limit of 55 mph, you can write the equality as:
Speed ≤ 55 mph
This equality means that any speed (represented by "Speed") must be less than or equal to 55 mph to comply with the speed limit on the expressway.