Respuesta :
240 -(-240)
Since you have a negative and a negative your answer will be positive and the negative signs turn into a positive sign.
240 + 240 = 480
Your answer is 480.
Hope this Helps!!
Answer: Karina and Lucas are 480 feet apart on the number line.
Step-by-step explanation:
Since we have given that
A number line with a point for Lucas at coordinate 240.
A number line with a point for Karina at coordinate -240.
So, Number of feet that Karina and Lucas apart on the number line is given by
[tex]240-(-240)\\\\=240+240\\\\=480\ feet[/tex]
Hence, Karina and Lucas are 480 feet apart on the number line.