6th grade math I mark as brainliest

Asap will give brainliest and a lot of points

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)