Whakaoti i te 2000*2.25%*2=

$$2000 \times 2.25 \% \times 2=$$

Aromātai

$$90$$

Ngā Upane Otinga

Whakarohaina te \frac{2.25}{100} mā te whakarea i te taurunga me te tauraro ki te 100.

$$2000\times \frac{225}{10000}\times 2$$

Whakahekea te hautanga \frac{225}{10000} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 25.

$$2000\times \frac{9}{400}\times 2$$

Tuhia te 2000\times \frac{9}{400} hei hautanga kotahi.

$$\frac{2000\times 9}{400}\times 2$$

Whakareatia te 2000 ki te 9, ka 18000.

$$\frac{18000}{400}\times 2$$

Whakawehea te 18000 ki te 400, kia riro ko 45.

$$45\times 2$$

Whakareatia te 45 ki te 2, ka 90.

$$90$$

Tauwehe

$$2\times 5\times 3^{2}$$