Negative one plus one equals zero and negative one plus negative one equals negative two plus positive two equals zero
It would be 22.5 miles per hour.


<h2><u>hope</u><u> it</u><u> helps</u></h2>
<u>see </u><u>the</u><u> attachment</u><u> </u><u>for</u><u> </u><u>explanation</u>
11+13= 24
13-11= 2
The numbers are 13 and 11.
I hope this helps!
~kaikers