Donya ran a 3k race at a constant speed in 21 minutes 30 seconds. At this speed, how long does it take her to run 1k?
2 answers:
Answer:
7 minutes 10 seconds.
Step-by-step explanation:
Donya ran a 3 k race at a constant speed = 21 minutes 30 seconds
1 minutes = 60 seconds
21 minutes 30 seconds = 21 + (30/60) = 21.5 minutes
At this speed it would take her to run 1 k race
= 7.17 minutes
7.17 minutes = 7 + (0.17 × 60) = 7 minutes 10 seconds
At this speed it takes her 7 minutes 10 seconds to run 1 k race.
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