Question 625462
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The moment Car A overtakes Car B is when they have travelled the same distance. However, Car A has to make up for an extra mile since he started 1 mile behind. Let x be the number of hours.
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Distance = Rate * Time
Distance of Car A = Distance of Car B + 1
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(65 * x) = (45 * x ) + 1 
65x-45x = 1
20x = 1
x = 1/20 hour = 3 minutes
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Car A will overtake Car B in <b>3 minutes</b>