Question

solve the following proportion for y.
$\frac{3}{13} = \frac{y}{9}$
round your answer to the nearest tenth.
$y = \square$

Explanation:

Step1: Cross-multiply to isolate y

$3 \times 9 = 13 \times y$

Step2: Calculate left-hand side

$27 = 13y$

Step3: Solve for y

$y = \frac{27}{13}$

Step4: Round to nearest tenth

$y \approx 2.1$

Answer:

$y = 2.1$