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May 22, 2015

Homework Help: 8th Grade Algebra Answer Check

Posted by <3Medic+Droid<3 on Sunday, January 25, 2009 at 10:36am.

Josh and Racquel sold corn dogs and burritos at the math club fundraiser. The corn dogs(c) cost $.35, and the burritos(b) cost $.75. They sold a total of 600 items, and raised $360.
a)Write an equation for the total # of items sold.
b)Write and equation for the total cost of the items.
c) The equations form a system. Solve the system to find the # of corn dogs and burritos sold.

~my answers~
a) c+b=600
b)$.35c+$.75b=$360
c) c=225
b=375

Firstly, I find it weird to sell corn dogs and burritos together. Still, I would love to know if I got it right.

Oh and what is a matrix? I have to make one for the system, but i can't even remember what they are! (how the heckz did i pass my finals?!?)

Anyway, any help would be very much appreciated. Thanks!

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