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If y varies directly as x, and x = 4 when y = 20, find y when x = 18.

If y varies directly as x, and x = 4 when y = 20, find y when x = 18.
asked 150k views
5 votes
If y varies directly as x, and x = 4 when y = 20, find y when x = 18.

asked
User Phusick
by
9.0k points

1 Answer

5 votes

Explanation:

y=Kx

20=4k

k=5

when x=18

y=18 x 5

y=90

answered
User Steven Green
by
7.8k points
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