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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Swali la 30 (a): Fanya kazi ukitumia nambari iliyo hapa chini.
Step 1: Anza kwenye nambari 3 kwenye mstari wa nambari. Step 2: Songa hatua 7 kuelekea kulia (kwa sababu unaongeza 7). Jibu ni 10.
Swali la 30 (b): Ikiwa leo ni Ijumaa, tafuta siku ya wiki iliyokuwa siku 32 zilizopita.
Step 1: Tafuta salio la 32 ukigawanya kwa 7 (kwa sababu kuna siku 7 katika wiki). Hii inamaanisha siku 32 zilizopita ni sawa na kurudi nyuma siku 4 kutoka Ijumaa.
Step 2: Hesabu kurudi nyuma siku 4 kutoka Ijumaa. • Siku 1 nyuma: Alhamisi • Siku 2 nyuma: Jumatano • Siku 3 nyuma: Jumanne • Siku 4 nyuma: Jumatatu
Siku ya wiki iliyokuwa siku 32 zilizopita ni Jumatatu.
Swali la 30 (c): Familia ilienda kwenye ziara. Watoto sita walilipa sh. 25,000 kila mmoja wakati watu wazima walilipa sh. 35,000. Kutokana na kwamba sh. 290,000 zilitosha kuhudumia familia nzima. Tafuta idadi ya watu wazima walioenda kwenye ziara hiyo.
Step 1: Tafuta jumla ya pesa zilizolipwa na watoto.
Step 2: Tafuta jumla ya pesa zilizolipwa na watu wazima. Jumla ya gharama ya ziara ilikuwa sh. 290,000.
Step 3: Tafuta idadi ya watu wazima. Kila mtu mzima alilipa sh. 35,000.
Idadi ya watu wazima walioenda kwenye ziara ni 4.
Swali la 30 (d): Chati iliyo hapa chini inaonyesha matumizi ya Lewis kwa mwezi wa Septemba. Itumie kujibu maswali yanayofuata.
Samahani, chati kamili na maswali yanayohusiana na chati hayajaonekana kwenye picha. Tafadhali tuma picha kamili ya chati na maswali ili niweze kukusaidia.
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Swali la 30 (a): Fanya kazi 3 + 7 ukitumia nambari iliyo hapa chini. Step 1: Anza kwenye nambari 3 kwenye mstari wa nambari.
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.