Question 880716
What distance are you using from NYC to LA?
I'll use 2800 and you can adjust if you need.
Rate*Time=Distance
{{{85*T=D[1]}}}
{{{105*T=D[2]}}}
{{{D[1]+D[2]=2800}}}
Substituting,
{{{85T+105T=2800}}}
{{{185T=2800}}}
{{{T=15.13}}} hrs
So then in 15.13 hrs, the train from NY has traveled,
{{{105*15.13=1589}}} miles
So they meet 1589 miles from NYC or 1211 (2800-1589) miles from LA.