Question 921588
Gaining speed 420-270= 150 mph
Head start 270*2 =540 miles
Time to catch up 540/150=3.6 hours
Algebraic solution
270(t+2)=420t
270t+540=420t
540=420t-270t
540=150t
t=3.6 hours
Distance to meeting 3.6*420=1512 miles
code drtch1