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help!!! please!! y varies directly as x and inversely as z. find the variation constant K and the equation of variationz when y=50, x=20, and z=4.

Respuesta :

jcherry99

Answer:

k = 10

Step-by-step explanation:

y = K x/z

y = 50

x = 20

z = 4

k = ?

50 = k * 20 / 4    Divide 20 by 5

50 = k * 5            Divide both sides by 5

50 / 5 = k * 5/5   Do the division

10 = k                   Switch

k = 10

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