Question 977824
Algebraic solution
t*(60-25)=280
t*35=280
t=280/35
t=8 hours
check
8(60-25)=280
8(35)=280
280=280
ok
280 25 60 0 0
Gaining speed 60-25= 35 mph
Headstart 280 =280 miles
Time to catch up =8 hours
Time to catch up =480 minutes