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Theo left Phoenix traveling 55 mph. Two hours later, Dennis left Phoenix following Theo and he was speeding along at 75 MPH. How many hours will it take Dennis to catch up with Theo?

Sagot :

Fichohidn

Answer:

7.33333 hours

Step-by-step explanation:

Theo's speed = 55mph

Distance = speed * time

Distance covered after 2 hours

Distance = 55 * 2 = 110 miles (distance already covered by Theo when Dennis left

Dennis speed = 70mph

Let time taken to catch up = x

70x = 110 + 55x

70x - 55x = 110

15x = 110

x = 110 / 15

x = 7.33333 hours

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