Question

calcule letra B 10 dividido por 2/ 5​

Answer 1

$\frac{b}{10} = \frac{2}{5} \\ \frac{b}{10 \div 5} = \frac{2}{5 \div 5} \\ \frac{b}{2} = 2$

$b = 2.2 \\ b = 4$