The values of x and y vary directly
2 answers:
Answer:
The general formula is x=4y
Step-by-step explanation:
x varies directly as y
x∝y
Then, let k be constant of proportionality
x=ky
If x=12 and y=3
Then, 12=3k
Divide both side by 3
k=4
The general formula
x=ky
Then, since K=4
x=4y
Answer:
y = (1/4)x
Step-by-step explanation:
"Direct variation" here signifies y = kx, where k is the constant of proportionality.
Then y = kx. Here we are to find k using the info that x = 12 and y = 3:
3 = k(12), or
k = 3/12, or k = 1/4
Then y = (1/4)x
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