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Three years ago, Mary was three times as old as Oloo. In two years' time, the sum of their ages will be 62. Determine their present ages.
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5 stepsHebu tuweke umri wa sasa wa Mary kuwa na umri wa sasa wa Oloo kuwa .
Unda milinganyo kulingana na taarifa iliyotolewa.
Kutoka taarifa ya kwanza: "Miaka mitatu iliyopita, Mary alikuwa na umri mara tatu ya Oloo."
Umri wa Mary miaka mitatu iliyopita ulikuwa .
Umri wa Oloo miaka mitatu iliyopita ulikuwa .
Hivyo, tunapata mlinganyo wa kwanza:Kutoka taarifa ya pili: "Katika miaka miwili ijayo, jumla ya umri wao itakuwa 62."
Umri wa Mary miaka miwili ijayo utakuwa .
Umri wa Oloo miaka miwili ijayo utakuwa .
Hivyo, tunapata mlinganyo wa pili:Rahisisha milinganyo.
Rahisisha mlinganyo wa kwanza:
Rahisisha mlinganyo wa pili:
Badilisha Mlinganyo 1A kwenye Mlinganyo 2A.
Badilisha kwenye :
Tatua kwa .
Hivyo, umri wa sasa wa Oloo ni miaka 16.
Badilisha thamani ya kwenye Mlinganyo 1A ili kupata .
Hivyo, umri wa sasa wa Mary ni miaka 42.
Umri wao wa sasa ni:
Mary:
Oloo:
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