The sale of a cinema tickets is increased by 25% and price of ticket increased by 10%. Find the percentage change in the revenue.
Answer & explanation
Correct answer: option 1
25% = \(\frac{1}{4}\) , 10% = \(\frac{1}{10}\)
Old : New
Sale of tickets 4 : 5
Price of tickets 10 : 11
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Revenue 40 : 55 → 15 (Difference)
(sale × Price)
Revenue increased percentage = \(\frac{15}{40}\) × 100 = 37.5%