1.

x and y very inversely. When x = 15, then y = 6. What will be the value of y when x = 9? A. 10 B. 15 C. 54 D. 135

Answer»

⇒ 15 × 6 = 9 × y

⇒ y = \(\frac{15\,\times\,6}{9}\) = 10



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