nakeytrag
26.11.2019 •
Mathematics
Agirl drove to her cabin. it took one hour longer to get there than it did to come back. the average speed there was 30 km/h. the average speed back was 45 km/h. how many hours did the trip there take?
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Ответ:
1 hour and a half
Step-by-step explanation:
Ответ:
240a+373c=2906
Step-by-step explanation:
240 times 9
373 times 2
add together