If an organization were to sell *n *tickets for a theater production, the total revenue from ticket sales would be 20 percent greater than the total costs of the production. If the organization actually sold all but 5 percent of the n tickets, the total revenue from ticket sales was what percent greater than the total costs of the production?

(A) 4%

(B) 10%

(C) 14%

(D) 15%

(E) 18%

Highlight to see answer: C

Please post your explanations in the comments below!

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Let total cost be x, revenue would be 120% of x.

Then applying unitary method, 100% of n for 120%x

therefore, 95n would be 120x * 95/100=114.

And 114- 100=14

Let total cost be x, revenue would be 120% of x.

Then applying unitary method, 100% of n for 120%x

therefore, 95n would be 120x * 95/100=114.

And 114- 100=14. Answer (c)