Question

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Form khan

Answer 1

Answer:

$r = \frac{1}{9}$

Step-by-step explanation:

When x = 11, y = $1\frac{2}{9}$

y = rx.  ∴ r = $\frac{y}{x} = \frac{\frac{11}{9} }{11} = \frac{1}{9}$

When x = 21, y = $2\frac{1}{3}$

y = rx.  ∴ r = $\frac{y}{x} = \frac{\frac{7}{3} }{21} = \frac{1}{9}$

When x = 45, y = 5

y = rx.  ∴ r = $\frac{y}{x} = \frac{5}{45} = \frac{1}{9}$