Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

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For this sort of problem, we'll use the equation y = k/x, which is for inverse variations. First, we'll need to solve for k.

4 = k/12

k = 48

Next, we'll need to plug k into our equation from the beginning, as well as 3 for x in order to solve for y.

y = 48/x

y = 48/3

y = 16

Therefore, your answer is y = 16.

Hope this helps!! :)

the answer is 62

step-by-step explanation:

you divide the denominator by the numerator on both sides and if the quotients are equal then the fractions are equivalent