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In Mathematics / High School | 2014-05-06

If \( y \) is directly proportional to \( x \) and \( y = 20 \) when \( x = 6 \), what is the value of \( y \) when \( x = 9 \)?

A. \(\frac{10}{3}\)
B. \(\frac{40}{3}\)
C. 23
D. 27
E. 30

Asked by Bulfer547

Answer (2)

E - 30. From 6 to 9 is increase of 1.5times

Answered by Tonia | 2024-06-10

The value of y when x = 9 is calculated as 30. This is found by determining the constant of proportionality and applying it to the new value of x . Therefore, the correct answer is option E. 30.
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Answered by Tonia | 2024-11-01