timothymoles
15.02.2022 •
Mathematics
If you run 21 km in 2hours 6minutes in a half marathon how much time does it take if you run one kilometre
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Ответ:
11
Step-by-step explanation:
AB = AC-BC
2X +7 -7
OR 5X-9 = X+7
OR X =4
HENCE AB = 5X -9 = 20-9=11