Science, asked by madhavigoud724, 5 days ago

please write the answer

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Answered by nirmalajoshi9291

0

Answer:

answer a.

1hr 10min

anwer b.

yes

Answered by srijannaiya

0

Answer:

please mark brainlist

Explanation:

25/50=1/2 hour

50/80=0.625 hour

total time =1 hour 7 minute 30 sec

Mr. Dann manages his time very well

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