Issolvi 0.05*0.2/0.05*0.2+0.5*0.5+0.3*0.3

$$\frac { 0.05 \times 0.2 } { 0.05 \times 0.2 + 0.5 \times 0.5 + 0.3 \times 0.3 }$$

Evalwa

$$\frac{1}{35}\approx 0.028571429$$

Passi tas-Soluzzjonijiet

Immultiplika 0.05 u 0.2 biex tikseb 0.01.

$$\frac{0.01}{0.05\times 0.2+0.5\times 0.5+0.3\times 0.3}$$

Immultiplika 0.05 u 0.2 biex tikseb 0.01.

$$\frac{0.01}{0.01+0.5\times 0.5+0.3\times 0.3}$$

Immultiplika 0.5 u 0.5 biex tikseb 0.25.

$$\frac{0.01}{0.01+0.25+0.3\times 0.3}$$

Żid 0.01 u 0.25 biex tikseb 0.26.

$$\frac{0.01}{0.26+0.3\times 0.3}$$

Immultiplika 0.3 u 0.3 biex tikseb 0.09.

$$\frac{0.01}{0.26+0.09}$$

Żid 0.26 u 0.09 biex tikseb 0.35.

$$\frac{0.01}{0.35}$$

Espandi \frac{0.01}{0.35} billi timmultiplika kemm in-numeratur kif ukoll id-denominatur b'100.

$$\frac{1}{35}$$

Fattur

$$\frac{1}{5 \cdot 7} = 0.02857142857142857$$