Question

cual es el numero faltante 0.83+0.3+0.1+( )=2.5​

Answer 1

Explicación paso a paso:

$\frac{83}{100} + \frac{30}{100} + \frac{10}{100} + x = \frac{250}{100} \\ \frac{83 + 30 + 10 + 100x}{100 } = \frac{250}{100} \\ 123 + 100x = 250 \\ 100x = 250 - 123$

$100x = 127 \\ x = 1.27$