Whakaoti mō p
p=\frac{1}{10}=0.1
Tohaina
Kua tāruatia ki te papatopenga
10+250p+150p=50
Me tāpiri te 150p ki ngā taha e rua.
10+400p=50
Pahekotia te 250p me 150p, ka 400p.
400p=50-10
Tangohia te 10 mai i ngā taha e rua.
400p=40
Tangohia te 10 i te 50, ka 40.
p=\frac{40}{400}
Whakawehea ngā taha e rua ki te 400.
p=\frac{1}{10}
Whakahekea te hautanga \frac{40}{400} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 40.
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