Answer:
The athlete travelled a distance of 4.5 km.
Explanation:
Given:
s = 9 km/hr
t = 30 min = 0.5 hrs (Since 1 hr = 60 mins)
Required:
Distance
Equation:
s = d/t
where: s - speed
d - distance covered
t - time elasped
Solution:
s = d/t
Equate to d by multiplying both sides by t
(t)(s) = (d/t)(t)
(t)(s) = d
Substitute the value of t and s
d = (0.5 hr)(9 km/hr)
d = 4.5 km
Final Answer:
The athlete travelled a distance of 4.5 km.
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