Bunuel wrote:

Tickets went on sale for a 120,000 person concert and 30% of the total revenue was allocated to charity. If the price of each ticket was $10, and the charitable revenue was $360,000, how many tickets were unsold?

A. None

B. 1000

C 1200

D. 2500

E. 3250

Before calculating, we'll estimate the answer to get a feel for the question.

This is an Alternative approach.

Let's say all the tickets were sold. That comes to 120,000*10 = $1,200,000.

If 30% of that went to charity then a total of $1,200,000*30% = $360,000 went to charity.

That's exactly what we're looking for! Therefore all tickets were sold.

Usually estimation can help us zoom in on the answer but in this case it solved the question.

(A) is our answer.

_________________

David

Senior tutor at examPAL

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