Question

Encontrar o valor de x?

Answer 1

$\frac{\frac{2}{5} }{6}=\frac{\frac{5}{4} }{x}\\ \\\frac{2}{5*6}= \frac{5}{4.x} \\\\2 * 4x = 5 * 30\\\\8x = 150\\\\x = 150/8\\\\x = 75/4 = 18.75$