Question

2:y=12:30 find the value of y​

Answer 1

$\frac{2}{y} = \frac{12}{30} \\ \frac{2}{y} = \frac{6}{15} \\ y = \frac{15 \times 2}{6} \\ y = 5$

Answer 2

2/y =12/30

=12y=60

y=5