If x varies inversely with y and for a= 4, y= 16, then find the value of x for y= 8 ____?
- 4
- 6
- 8
- 10
Explanation
Since x varies inversely with y, we can write the equation:
x = k/y
where k is a constant.
Given that x = 4 when y = 16, we can find the value of k:
4 = k/16
k = 64
Now, we can find the value of x when y = 8:
x = 64/8
x = 8
So, the correct answer is: 8
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