Question

Need serious help here;

Answer 1

New question:

Jeff starts driving at 75 mph from the same point that Lauren starts driving at 50 mph. They drive in opposite directions, and Lauren has a half-hour head start. How long will they be not able to talk on their cell phones that have a 300 mile range?

Answer 2

I think it's B.

Answer 3

x > =11/5 ?

Answer 4

meaning 2.2

Answer 5

YES! 2hrs 12mins

Answer 6

Yep it: 75x+50x+50*1/2=300