Posted by Stacie on Saturday, June 22, 2013 at 10:42pm.
y varies jointly as x and z, and y=98/3 when x=2 ans z=7. Find y when x=7 and z=3.
Options:
A: y=7/3xz; 49
B: y=6/7xz; 18
C: y=14/3xz; 98
D: y=3/7xz; 9

Algebra 2  Snail, Saturday, June 22, 2013 at 11:33pm
its A part
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