2 years ago

Variable y varies directly with variable x, and y = 20 when x = 8.

1 answer:

3 0

All you hav to do it plug in what you know

y=20 and x=8

20=8k

divide both sides by 8

20/8=8k/8

and you get 5/2

20/8=5/2

so your answer is 5/2

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