Question 991510
<font face="Times New Roman" size="+2">


If they are going in opposite directions, then their combined rate of separation is the sum of their speeds, *[tex \Large r\ +\ r\ +\ 3]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 22\ =\ 2(2r\ +\ 3)]


Solve for *[tex \Large r]


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \