Whakaoti mō x
x=20000
Graph
Tohaina
Kua tāruatia ki te papatopenga
\frac{x}{100}=\frac{1800}{9}
Whakawehea ngā taha e rua ki te 9.
\frac{x}{100}=200
Whakawehea te 1800 ki te 9, kia riro ko 200.
x=200\times 100
Me whakarea ngā taha e rua ki te 100.
x=20000
Whakareatia te 200 ki te 100, ka 20000.
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