Answer:
(A) 10
Step-by-step explanation:
Formulae :
⇒ Distance = Speed × Time [Equation needed]
⇒ Speed = Distance / Time
⇒ Time = Distance / Speed
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Given :
⇒ Speed = 20 miles per hour
⇒ Time = 30 minutes = 0.5 hours
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Solving :
⇒ Distance = 20 mph x 0.5 h
⇒ Distance = 10 miles