A ride in an amusement park has the following notice at the gate:

"Children under the age of 8 are not allowed on this ride."

Part A: Write an inequality to show the age of children who are allowed on the ride.

Part B: Describe in words how you can show the solution to this inequality on a number line.

Question

Alayna Rivera

Mathematics

11 March, 15:17

A ride in an amusement park has the following notice at the gate:

"Children under the age of 8 are not allowed on this ride."

Part A: Write an inequality to show the age of children who are allowed on the ride.

Part B: Describe in words how you can show the solution to this inequality on a number line.

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Answers (1)

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Sonia Vang · Answer 1

Part A: The age of kids allowed on the ride is ≤8. This means that kids starting from the age of eight and older may ride this.

Part B: On a number line, starting from the age of eight, draw a closed (shaded in) circle over the number 8, and then draw an arrow in the direction of the greater integers (in the direction of 9, 10, 11 and so on) to the end of your number line. It should be a closed circle because kids aged 8, are permitted to ride, so the inequality is greater than or equal to. A closed circle represents the greater than equal to / less than equal to. An open circle simply means less than or greater than. Therefore, you show this on a number line by drawing a closed circle over the number 8, and drawing an arrow in the direction of the larger integers, all the way to the end of the number line.