Question

cuanto es 3- 1:4 k =2:5​????????​

Answer 1

$\frac{3 - 1}{4k} = \frac{2}{5} \\ \frac{2}{4k} = \frac{2}{5} \\ 8k = 10 \\ k = \frac{10}{8} \\ k = \frac{5}{4}$

prueba:

$8k = 10 \\ 8( \frac{5}{4} ) = 10 \\ 10 = 10$