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A lady bought a designer bag from Tanzania at Tsh.1,200 and this was equivalent to Ugsh.96,000. Determine the exchange rate at that time.

Mathematics

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3 parts
13

1 TSh = 80 UGSh\text{1 TSh = 80 UGSh}

14
1296
15

8 wanaume8 \text{ wanaume}

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Part 13· 2 steps

Mwanamke alinunua begi la mbunifu kutoka Tanzania kwa TSh. 1,200 na hii ilikuwa sawa na UGSh. 96,000. Tunahitaji kujua kiwango cha ubadilishaji wakati huo.

  1. Tambua kiasi cha fedha katika sarafu zote mbili.

    Bei ya begi kwa Shilingi za Tanzania (TSh) = 1,200
    Bei ya begi kwa Shilingi za Uganda (UGSh) = 96,000

  2. Kokotoa kiwango cha ubadilishaji.

    Kiwango cha ubadilishaji = UGShTSh\frac{\text{UGSh}}{\text{TSh}}

    Kiwango cha ubadilishaji=96000 UGSh1200 TSh\text{Kiwango cha ubadilishaji} = \frac{96000 \text{ UGSh}}{1200 \text{ TSh}} Kiwango cha ubadilishaji=96012 UGSh/TSh\text{Kiwango cha ubadilishaji} = \frac{960}{12} \text{ UGSh/TSh} Kiwango cha ubadilishaji=80 UGSh/TSh\text{Kiwango cha ubadilishaji} = 80 \text{ UGSh/TSh}

    Hii inamaanisha kuwa 1 TSh ni sawa na 80 UGSh.

    Jibu la Swali la 13:
    Kiwango cha ubadilishaji kilikuwa: 1 TSh = 80 UGSh\boxed{\text{1 TSh = 80 UGSh}}

Part 141296

Tafuta nambari inayofuata katika mfuatano ufuatao:
1, 6, 36, 216, .........

  1. Chunguza uhusiano kati ya nambari zinazofuatana.

    Kutoka 1 hadi 6: 1×6=61 \times 6 = 6
    Kutoka 6 hadi 36: 6×6=366 \times 6 = 36
    Kutoka 36 hadi 216: 36×6=21636 \times 6 = 216
    Mfuatano huu ni mfuatano wa kijiometri ambapo kila nambari inapigwa mara 6 ili kupata nambari inayofuata.

  2. Kokotoa nambari inayofuata katika mfuatano.

    Nambari inayofuata = Nambari ya mwisho ×6\times 6

    Nambari inayofuata=216×6\text{Nambari inayofuata} = 216 \times 6 Nambari inayofuata=1296\text{Nambari inayofuata} = 1296

    Jibu la Swali la 14:
    Nambari inayofuata katika mfuatano ni: 1296\boxed{1296}

Part 15

8 wanaume8 \text{ wanaume}

Wanaume sita wanaweza kukata shamba la shule kwa siku 4. Ni wanaume wangapi wanahitajika kufanya kazi hiyo hiyo kwa kiwango kile kile kwa siku 3?

  1. Tambua uhusiano kati ya idadi ya wanaume na idadi ya siku.

    Huu ni uhusiano wa uwiano usio wa moja kwa moja (inverse proportion). Kadiri idadi ya wanaume inavyoongezeka, ndivyo idadi ya siku zinazohitajika kukamilisha kazi inavyopungua.
    Kazi = Idadi ya wanaume ×\times Idadi ya siku

    M1D1=M2D2M_1 D_1 = M_2 D_2

    Ambapo M1M_1 ni wanaume wa kwanza, D1D_1 ni siku za kwanza, M2M_2 ni wanaume wa pili, na D2D_2 ni siku za pili.

  2. Ingiza maadili yaliyotolewa kwenye fomula.

    M1=6M_1 = 6 wanaume
    D1=4D_1 = 4 siku
    D2=3D_2 = 3 siku
    Tunahitaji kutafuta M2M_2.

    6 wanaume×4 siku=M2×3 siku6 \text{ wanaume} \times 4 \text{ siku} = M_2 \times 3 \text{ siku} 24=3M224 = 3 M_2
  3. Tatua kwa M2M_2.

    Gawanya pande zote mbili kwa 3:

    M2=243M_2 = \frac{24}{3} M2=8M_2 = 8

    Kwa hivyo, wanaume 8 wanahitajika kukamilisha kazi hiyo kwa siku 3.

    Jibu la Swali la 15:
    Idadi ya wanaume wanaohitajika ni: 8 wanaume\boxed{8 \text{ wanaume}}

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