Question

X and y vary directly. When x is 24, y is 8. What is x when y is 9?

Answer 1

$\mathfrak{\huge{Hi !}}$

$\underline{\sf{x\:and\:y\:vary\:directly.}}$

x = 24

y = 8

Ratio = $\tt{\frac{x}{y} = \frac{24}{8} = 3}$

=》 x = 3y

$\underline{\sf{When \:y = 9}}$

x = (9)(3) = $\huge{\tt{27}}$