Issolvi 0.0725(13*0.1725)+(3*0.0725)/9*0.1725+20*0.0725=

$$\frac { 0.0725 ( 13 \cdot 0.1725 ) + ( 3 \cdot 0.0725 ) } { 9 \cdot 0.1725 + 20 \cdot 0.0725 } =$$

Evalwa

$$\frac{60813}{480400}\approx 0.12658826$$

Passi tas-Soluzzjonijiet

Immultiplika 0.0725 u 13 biex tikseb 0.9425.

$$\frac{0.9425\times 0.1725+3\times 0.0725}{9\times 0.1725+20\times 0.0725}$$

Immultiplika 0.9425 u 0.1725 biex tikseb 0.16258125.

$$\frac{0.16258125+3\times 0.0725}{9\times 0.1725+20\times 0.0725}$$

Immultiplika 3 u 0.0725 biex tikseb 0.2175.

$$\frac{0.16258125+0.2175}{9\times 0.1725+20\times 0.0725}$$

Żid 0.16258125 u 0.2175 biex tikseb 0.38008125.

$$\frac{0.38008125}{9\times 0.1725+20\times 0.0725}$$

Immultiplika 9 u 0.1725 biex tikseb 1.5525.

$$\frac{0.38008125}{1.5525+20\times 0.0725}$$

Immultiplika 20 u 0.0725 biex tikseb 1.45.

$$\frac{0.38008125}{1.5525+1.45}$$

Żid 1.5525 u 1.45 biex tikseb 3.0025.

$$\frac{0.38008125}{3.0025}$$

Espandi \frac{0.38008125}{3.0025} billi timmultiplika kemm in-numeratur kif ukoll id-denominatur b'100000000.

$$\frac{38008125}{300250000}$$

Naqqas il-frazzjoni \frac{38008125}{300250000} għat-termini l-aktar baxxi billi testratta u tikkanċella barra 625.

$$\frac{60813}{480400}$$

Fattur

$$\frac{29 \cdot 233 \cdot 3 ^ {2}}{1201 \cdot 2 ^ {4} \cdot 5 ^ {2}} = 0.12658825978351373$$