Question

5. If y:18 = 8:y, calculate the positive value of y.

Answer 1

Step-by-step explanation:

y:18 = 8:y

= y2 = 18 × 8

= y = √ 144

= y = 12.

[ Hope this will helpful for you.]

Answer 2

Step-by-step explanation:

y:18=8:y

$= > \frac{y}{18} = \frac{8}{y } \\ by \: cross \: multiplication \\ = > {y}^{2} = 18 \times 8 \\ = > {y}^{2} = 144 \\ = > y = \sqrt{144} \\ = > y = 12$