Question 1103315: The income, i, from a high school play is a linear function of the number of tickets, t. When 80 tickets are sold, the income is $1000. When 200 tickets are sold, the income is $2500.
a) Use the data to write the income, i, as a function of the number of tickets sold, t.
b) Using the function from part a), determine the income if 120 tickets are sold.
c) If the income is $2200, how many tickets were sold?
Answer by josgarithmetic(39630)   (Show Source):
You can put this solution on YOUR website! ------------------------------------------------------------------
The income, i, from a high school play is a linear function of the number of tickets, t. When 80 tickets are sold, the income is $1000. When 200 tickets are sold, the income is $2500.
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Linear points (80, 1000) and (200, 2500). Ordered pair are in format for (t, i).
Slope  .
You can figure out the rest.
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