This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
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Answer
miaka 10
Hakika! Hili hapa suluhisho la swali la umri, hatua kwa hatua:
Swali: Baba ana umri mara tatu ya umri wa mwanawe. Baada ya miaka 10, umri wa baba utakuwa mara mbili ya umri wa mwanawe. Tafuta umri wao wa sasa.
Step 1: Weka vigezo kwa umri wao wa sasa. Acha iwe umri wa sasa wa mwana. Acha iwe umri wa sasa wa baba.
Step 2: Unda milinganyo kulingana na taarifa iliyotolewa. Kutoka taarifa ya kwanza: "Baba ana umri mara tatu ya umri wa mwanawe." Kutoka taarifa ya pili: "Baada ya miaka 10, umri wa baba utakuwa mara mbili ya umri wa mwanawe." Baada ya miaka 10: Umri wa mwana utakuwa . Umri wa baba utakuwa . Hivyo,
Step 3: Rahisisha Mlinganyo 2. Toa 10 kutoka pande zote mbili:
Step 4: Tatua milinganyo kwa kutumia njia ya kubadilisha. Badilisha Mlinganyo 1 () kwenye Mlinganyo 3.
Step 5: Tafuta umri wa mwana. Toa kutoka pande zote mbili: Umri wa sasa wa mwana ni miaka 10.
Step 6: Tafuta umri wa baba. Badilisha thamani ya (10) kwenye Mlinganyo 1: Umri wa sasa wa baba ni miaka 30.
Umri wa sasa wa mwana ni na umri wa sasa wa baba ni .
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Hakika! Hili hapa suluhisho la swali la umri, hatua kwa hatua: Swali: Baba ana umri mara tatu ya umri wa mwanawe.
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.