SOLUTION: The marching band holds a fund raiser each year in which they sell tshirts with the school name and mascot on it. The tshirts sell $7 and the sweatshirts sell for $15. The band ne

Question 780185: The marching band holds a fund raiser each year in which they sell tshirts with the school name and mascot on it. The tshirts sell $7 and the sweatshirts sell for $15. The band needs to raise $3000. Write a model that shows the number of tshirts and sweatshirts that must be sold. Then graph the model and determine three combinations of tshirts and sweatshirts that satisfy the model.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The tshirts sell $7 and the sweatshirts sell for $15.
The band needs to raise $3000.
Write a model that shows the number of tshirts and sweatshirts that must be sold.
Then graph the model and determine three combinations of tshirts and sweatshirts that satisfy the model.
:
Let x = no. of $15 sweatshirts
Let y = no. of $7 T-shirts
:
The equation
15x + 7y = 3000
Put in this form to graph
7y = -15x + 3000
y = x +
The graph

note that T-shirts are on the y axis, sweatshirts on the x axis
We have to deal with integers here
x=95, y =225
x=102, y=210
x=109, y=195
x=116, y=180

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