Question 1)k = 6
O A x = 6y
О В 6 = ух
O C y = 6x
O D y = 1/6x

If the given equation is

comparing with

Therefore, the option is correct.

Step-by-step explanation:

Given

We know when varies directly with , means that when x increases, y increases by the same factor

i.e.

y ∝ x

where k is the 'constant of proportionality.

If the given equation is

comparing with

Therefore, the option is correct.

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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