when the price of a ticket to an exhibition is reduced by 30%, the sales will become thrice. What is the percentage
increase in the number of viewers ?
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Answer:
suppose ticket price and viewer be x.
total sale-x^2
after reducing total sales-3x^2
reduced ticket price- x(100-30)/100=•7x
then viewer- 3x^2/•7x=30x/7
increased viewer-30x/7-x=23x/7
percentage increase-23x/7x ×100
=328.56%
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