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?
1 answer:
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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