ticket receipts
at the show of a film amounted to Rupees 6500 on the first day and show the drop of rupees 110 every successful day. If the operational expenses of the show are rupees thousand a day .find on which day the show ceases to be profitable
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on 51 th day Show ceases to be profitable
Step-by-step explanation:
ticket receipts at the show of a film amounted to Rupees 6500 on the first day
show drop of rupees 110 every succesive day
Hence a = 6500
d = - 110
let say nth day show ceases to be profitable
=> 6500 + (n-1)(-110) ≤ 1000
=> 650 - 11(n-1) ≤ 100
=> 650 - 11n + 11 ≤ 100
=> 561 ≤ 11n
=> 51 ≤ n
on 51 th day Show ceases to be profitable
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51st day the film amounted to rs 6500
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