samanthamason13 samanthamason13

26-04-2017
Mathematics

contestada

If y varies directly as x and y = 20 when x = 6, what is the value of y when x = 24?
a.
36
b.
80
c.
30
d.
4

Respuesta :

26-04-2017

The equation of that is y=kx
Substitute it in and you get
20=6k
Divide 6 on both sides
k=3 1/3
Then since it asks what is the value of y when x is 24 use k in the equation
y=3 1/3*24
so y=80 is the answer

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obritschkewitsc obritschkewitsc

27-11-2019

Answer:

B. 80 is correct

Step-by-step explanation:

Answer Link

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