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When a cinema charged $6.00 per person, the box office sold 270 tickets. When the manager raised the ticket price to $9.00 the box office only sold 255 tickets. Find a linear equation giving the number of tickets sold, t, in terms of the ticket price, p. Write the equation in slope-intercept form.

 Sep 28, 2020
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Two points    6, 255   and  9,255        just find a line as always

find slope, m

then       y-y1   = m(x-x1)           y is tix sold      x is price

 Sep 28, 2020

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