Answer:
If you were asking how many miles in total: 290 miles.
If you were asking how many miles in the 2 hours: 122 miles
Step-by-step explanation:
In the first 168 miles,
[tex]Since \\v_1=168miles/3h=56 miles/h\\\\Thus \\v_2=v_1+5=56+5=61miles/h\\\\X_1=168miles\\X_2=v_2*2h=61*2=122miles\\X_1+X_2=168+122=290miles\\\\[/tex]