Question

$4\\ -=\\ x$ $2\\-\\5$

Answer 1

Answer:

x= 10

Step-by-step explanation:

$\frac{4}{x} = \frac{2}{5}$

$x = \frac{4*5}{2}$

  = $\frac{20}{2} = 10$

Hope this helps :)

Answer 2

Question:-

Solve :

$\frac{4}{x} = \frac{2}{5}$

Solution:-

$\frac{4}{x} = \frac{2}{5}$

Cross multiply

$4 \times 5 = 2 \times x$

$20 = 2x$

$x = \frac{20}{2}$

$x = 10$