The variable Z is directly proportional to X. When X is 3, Z has the value 54. Wha is the value of Z when X= 12
1 answer:
The variable Z is directly proportional to X
Z = kX (Where k is the constant of proportionality)
To find k
54 = k3
k = 54/3
k = 18
now find new Z
Z = 18X
Z = 18(12)
Z = 216
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