Posted by Amy on Tuesday, April 2, 2013 at 6:15pm.
The student council is buying school Tshirts to sell during a fundraiser. The cost (y) of school Tshirts is a linear function of the number of Tshirts bought (x). The student council can buy 100 Tshirts for $825 and 300 Tshirts for $2,425.
Write an equation in slopeintercept form that represents this situation.
Graphy the equation on the coordinate plane for 0 to 100 100Tshirts. Explain how you found the answer

Algebra 1  Reiny, Tuesday, April 2, 2013 at 8:42pm
consider the given data as two ordered pairs
(100,825) and (300,2425)
treat it like you would if you worked with y = mx + b
slope = (2425  825)/(300100) = 8
so y = 8t + b
for (100,825)
825 = 8(100) + b
b = 25
y = 8t + 25

Algebra 1  Anonymous, Friday, December 9, 2016 at 12:09pm
8t+24
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