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How long did the balloon remain at 350 ft ?

How long did the balloon remain at 350 ft ?-example-1
User Ibizaman
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1 Answer

2 votes

Answer:

upto 9-45 because because from 9 to 10 each box each box indicate 15 minutes and because of it the balloon at 350 feet will be only for 9-45

User Dhilt
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