Whakaoti i te 100*(1+30%)

$$100 \times ( 1 + 30 \% )$$

Aromātai

$$130$$

Ngā Upane Otinga

Whakahekea te hautanga \frac{30}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 10.

$$100\left(1+\frac{3}{10}\right)$$

Me tahuri te 1 ki te hautau \frac{10}{10}.

$$100\left(\frac{10}{10}+\frac{3}{10}\right)$$

Tā te mea he rite te tauraro o \frac{10}{10} me \frac{3}{10}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$100\times \frac{10+3}{10}$$

Tāpirihia te 10 ki te 3, ka 13.

$$100\times \frac{13}{10}$$

Tuhia te 100\times \frac{13}{10} hei hautanga kotahi.

$$\frac{100\times 13}{10}$$

Whakareatia te 100 ki te 13, ka 1300.

$$\frac{1300}{10}$$

Whakawehea te 1300 ki te 10, kia riro ko 130.

$$130$$

Tauwehe

$$2\times 5\times 13$$