SOLUTION: A car leaves Manila, heading toward a resort, at an average speed of 60 miles per hour. On a parallel track, another car leaves Manila a half hour later and travels at an average s

Question 220935: A car leaves Manila, heading toward a resort, at an average speed of 60 miles per hour. On a parallel track, another car leaves Manila a half hour later and travels at an average speed of 90 milers per hour. At what point will Car B pass car A?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
D=RT
60T=90(T-.5)
60T=90T-45
60T-90T=-45
-30T=-45
T=-45/-30
T=1.5 HOURS AFTER THE 60MPH CAR LEAVES THE 90 MILER WILL OVERTAKE IT.
PROOF:
60*1.5=90(1.5-.5)
90=90*1
90=90
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