Whakaoti mō t
t=21
Tohaina
Kua tāruatia ki te papatopenga
t=\frac{3}{4}\times 28
Me whakarea ngā taha e rua ki te 28.
t=\frac{3\times 28}{4}
Tuhia te \frac{3}{4}\times 28 hei hautanga kotahi.
t=\frac{84}{4}
Whakareatia te 3 ki te 28, ka 84.
t=21
Whakawehea te 84 ki te 4, kia riro ko 21.
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