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b) If the coffee was processed to form coffee tea leaves and each sack lost 20kg. Find the total weight of the coffee tea in tonnes.

Mathematics

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2 parts
27

16\text{}\frac{1}{6}\text{}

c

72 lita\text{}72 \text{ lita}\text{}

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Haya Ocen, twende kazi!

Part b

(kuhusu kahawa)

Swali hili halijakamilika kwani halijataja idadi ya awali ya magunia ya kahawa au uzito wake wa jumla. Bila taarifa hii, haiwezekani kuamua uzito wa jumla wa majani ya kahawa baada ya kupungua uzito.

Part 27

16\text{}\frac{1}{6}\text{}

a)

Tangi la shule lilikuwa limejaa 23\frac{2}{3} ya maji, na baada ya lita 12 kutumika, likawa limejaa 12\frac{1}{2}. Tunahitaji kujua ni sehemu gani ya maji iliondolewa.

  1. Pata sehemu ya maji iliyoondolewa.

    Sehemu ya maji iliyoondolewa ni tofauti kati ya sehemu ya awali na sehemu ya mwisho ya maji kwenye tanki.

    Sehemu iliyoondolewa=23−12\text{Sehemu iliyoondolewa} = \frac{2}{3} - \frac{1}{2}
  2. Tafuta kigawo cha kawaida na utoe.

    Kigawo cha kawaida cha 3 na 2 ni 6.

    23=2×23×2=46\frac{2}{3} = \frac{2 \times 2}{3 \times 2} = \frac{4}{6} 12=1×32×3=36\frac{1}{2} = \frac{1 \times 3}{2 \times 3} = \frac{3}{6} Sehemu iliyoondolewa=46−36=16\text{Sehemu iliyoondolewa} = \frac{4}{6} - \frac{3}{6} = \frac{1}{6}

    Sehemu ya maji iliyoondolewa ni 16\boxed{\text{}\frac{1}{6}\text{}}

Part c

72 lita\text{}72 \text{ lita}\text{}

Tunahitaji kupata ujazo kamili wa tanki.

  1. Tumia taarifa kutoka sehemu (a) kwamba lita 12 za maji ziliondolewa, na sehemu hiyo inawakilisha 16\frac{1}{6} ya ujazo kamili wa tanki.

    Acha VV iwe ujazo kamili wa tanki.

    16V=12 lita\frac{1}{6} V = 12 \text{ lita}
  2. Tatua kwa VV.

    Ili kupata ujazo kamili, zidisha pande zote mbili kwa 6.

    V=12 lita×6V = 12 \text{ lita} \times 6 V=72 litaV = 72 \text{ lita}

    Ujazo kamili wa tanki ni 72 lita\boxed{\text{}72 \text{ lita}\text{}}

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