dayanaxhsh dayanaxhsh

18-03-2024
Mathematics

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Fiona will participate in a piano competition. She starts to practise
a minutes on the first day. Her practising time in each succeeding day is
5 minutes more than that in the previous day. If she will practise
34.25 hours after 31 days, find the value of a. (Summation of arithmetic sequence)

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