The sale of a cinema tickets is increased by 35% and price of ticket increased by 15%. Find the percentage change in the revenue.
Answer & explanation
Correct answer: option 1
35% = \(\frac{7}{20}\) , 15% = \(\frac{3}{20}\)
Old : New
Sale of tickets 20 : 27
Price of tickets 20 : 23
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Revenue 400 : 621 → 221 (Difference)
(sale × Price)
Revenue increased percentage = \(\frac{221}{400}\) × 100 = 55.25%