SOLUTION: If z varies inversely as​ w, and z=30 when w=0.4​, find z when w=10.

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Question 1201778: If z varies inversely as​ w, and z=30 when w=0.4​, find z when w=10.
Answer by Alan3354(69443) About Me  (Show Source):
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If z varies inversely as​ w, and z=30 when w=0.4​, find z when w=10.
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z = k/w --- k is a constant
30 = k/0.4
k = 12
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find z when w=10.
z = 12/10
z = 1.2