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Sagot :
- Speed=30km/h
- Time=21/2=10.5h
[tex]\\ \tt\hookrightarrow Speed=Distance/Time[/tex]
[tex]\\ \tt\hookrightarrow Distance=Speed\times Time[/tex]
[tex]\\ \tt\hookrightarrow Distance=30(10.5)[/tex]
[tex]\\ \tt\hookrightarrow Distance=315km[/tex]
Answer:
- 315 kilometers.
Step-by-step explanation:
We know that:
- 30 kilometers = 1 hour
Solution:
- 30 kilometers = 1 hour
- => 30 x 21/2 kilometers = 21/2 hours
- => 15 x 21 kilometers = 21/2 hours
- => 315 kilometers = 21/2 hours
Hence, in 21/2 hours, the cyclist rides 315 kilometers.
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