Posted by kay on Monday, February 27, 2012 at 3:21am.
Ticket Prices Two hundred tickets were sold for a
baseball game, which amounted to $840. Student
tickets cost $3, and adult tickets cost $5.
(a) Let x be the number of student tickets sold and y
be the number of adult tickets sold. Write a system
of linear equations whose solution gives the
number of each type of ticket sold.
(b) Use the method of substitution to solve the system.

algebra  Damon, Monday, February 27, 2012 at 3:30am
x + y = 200
3 x + 5 y = 840
so
y = (200x)
substitute (200x) for y
3 x + 5 (200x) = 840
3 x + 1000  5 x = 840
2 x = 160
x = 80
y = 120

algebra  kay, Monday, February 27, 2012 at 3:42am
Can you explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c. Can there be more than one way to factor a problem like this? can you please show it in written word and step by step?
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