Question 1165985
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The choice of wording in the statement of the problem indeed makes the meaning ambiguous; but I would disagree with the other tutor's interpretation.  I believe the meaning is<br>
25% of 2200 = 550 were sold at 80% of basic price
10% of 2200 = 220 were sold at 60% of basic price
65% of 2200 = 1430 were sold at full price<br>
Then<br>
{{{550(.8x)+220(.6x)+1430(x) = 40000}}}
{{{440x+132x+1430x = 40000}}}
{{{2002x = 40000}}}<br>
{{{x = 19.98}}} to the nearest cent<br>
In fact at that price the total ticket sales will be pennies short of $40,000; if the $40,000 must be reached, the basic ticket price will need to be (at least) $19.99.<br>