if x is related to y and x = 12 & y = 4. what is y if x = 18?
- 5
- 6
- 7
- none
Explanation
Using the information that x = 12 when y = 4, we can find the value of k, because y = k/x
becomes 4 = k/12.
Solving this for k,
we get k = 3
When x = 18
y = k/x becomes
y = 3/ 18
This simplifies to y = 6
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