The psychology club is having a self-proclaimed psychic come to their campus fund-raising event to demonstrate his abilities. He charges $190 for these events, and the club is charging $4.5 for tickets with a chance to have the psychic read the ticket holder's mind. Let x represent the number of tickets sold and y represent money in a linear model which can be used to estimate the profit (positive) or loss (negative) based upon the number of tickets sold.
(i) How much would the club gain or lose by selling 28
tickets?
(Express your answer rounded correctly to the nearest cent! Be sure
to include a minus sign with your answer, if there is a
loss!)
dollars
(ii) How many tickets must be sold in order for the club to
break even?
(Express your answer rounded up to the next whole ticket.)
tickets
(iii) How many tickets must be sold in order for the club to
make a profit of $640?
(Express your answer rounded up to the next whole ticket.)
tickets
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