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Y varies directly with x, and y = 7 when x = 2. What is the value of x when y = 21?

Y varies directly with x, and y = 7 when x = 2. What is the value of x when y = 21?
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3 votes
Y varies directly with x, and y = 7 when x = 2. What is the value of x when y = 21?

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User Cetin
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1 Answer

3 votes
it would be 6 because 21 is 3 times as much to 7 so 2 times 3 is 6
answered
User Dimitri Mockelyn
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