Tīpoka ki ngā ihirangi matua
Whakaoti mō x
Tick mark Image
Graph

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

115=x\left(1+3\times \frac{1}{1000}\times 50\right)
Tātaihia te 10 mā te pū o -3, kia riro ko \frac{1}{1000}.
115=x\left(1+\frac{3}{1000}\times 50\right)
Whakareatia te 3 ki te \frac{1}{1000}, ka \frac{3}{1000}.
115=x\left(1+\frac{3}{20}\right)
Whakareatia te \frac{3}{1000} ki te 50, ka \frac{3}{20}.
115=x\times \frac{23}{20}
Tāpirihia te 1 ki te \frac{3}{20}, ka \frac{23}{20}.
x\times \frac{23}{20}=115
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
x=115\times \frac{20}{23}
Me whakarea ngā taha e rua ki te \frac{20}{23}, te tau utu o \frac{23}{20}.
x=100
Whakareatia te 115 ki te \frac{20}{23}, ka 100.