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The variable Z is directly proportional to X. When X is 3, Z has the value 57. What is the value of Z when X = 8

User RaTiO
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1 Answer

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When x = 3 z = 57 57/3 = 19
19*8 = 152
So when X is equal to 8, Z is equal to 152.
User Mike Tung
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