Whakaoti i te (15*1.54)+(10*1.43)+(16*.79)+(4*.78)

$$(15 \times 1.54)+(10 \times 1.43)+(16 \times .79)+(4 \times .78)$$

Aromātai

$$53.16$$

Ngā Upane Otinga

Whakareatia te 15 ki te 1.54, ka 23.1.

$$23.1+10\times 1.43+16\times 0.79+4\times 0.78$$

Whakareatia te 10 ki te 1.43, ka 14.3.

$$23.1+14.3+16\times 0.79+4\times 0.78$$

Tāpirihia te 23.1 ki te 14.3, ka 37.4.

$$37.4+16\times 0.79+4\times 0.78$$

Whakareatia te 16 ki te 0.79, ka 12.64.

$$37.4+12.64+4\times 0.78$$

Tāpirihia te 37.4 ki te 12.64, ka 50.04.

$$50.04+4\times 0.78$$

Whakareatia te 4 ki te 0.78, ka 3.12.

$$50.04+3.12$$

Tāpirihia te 50.04 ki te 3.12, ka 53.16.

$$53.16$$

Tauwehe

$$\frac{3 \cdot 443}{5 ^ {2}} = 53\frac{4}{25} = 53.16$$