If x varies directly as y and x=3 when y = 8, find the value of y when x=9

Question

Mathematics

Chad Barry

15 February, 05:39

If x varies directly as y and x=3 when y = 8, find the value of y when x=9

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Answers (1)

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Ayaan Figueroa · Answer 1

Answer: Y = 24

Step-by-step explanation:first get the constant. X=KY substituting x and y in the equation is 3=K8 Therefore K = 3/8 = 0.375

If x is 9 find y when the constant k is 0.375 from the equation x=ky

Is Y = X:K is 9:0.375 = 24.