Question

convert into hours 21 days 28 hours​

Answer 1

504 hours

In 21 d there are 504 h . Which is the same to say that 21 days is 504 hours.

Answer 2

Answer:

1 day -24 hours

21days - ?

(cross multiply )

24 × 21 = 504

504 + 28 = 532 hours for 21 days 28 hours

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