SOLUTION: z is partly constant and partly varies directly as x. When x=8, z=59. when x=11, z=80. Find the value of z when x=5.

Question 1097892: z is partly constant and partly varies directly as x. When x=8, z=59. when x=11, z=80. Find the value of z when x=5.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
z ~~is partly constant and partly~~ varies ~~directly~~ as x. When x=8, z=59. when x=11, z=80. Find the value of z when x=5.

You may have ordered pair as (x,z) and your described points are (8,59) and (11,90). You could find a relationship like z=mx+b.

If this does not give the result or answer you expect, then maybe you should explain better "partly constant and partly varies directly".
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