Posted by audrey on Thursday, October 1, 2009 at 11:19pm.
ther are 33 students in the band. there are 6 more fifthgrade students than thirdgrade students. there are an equal number of third and fourthgrade students.how many thirdgrade students are in the band?

math  DrBob222, Thursday, October 1, 2009 at 11:46pm
x =# fifth grade students.
y = # fourth grade students
z = # third grade students.
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x + y + z = 33
x = z + 6
y = z
Solve for x, y, z.