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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15 days
Huu ni mfumo wa uwiano usio wa moja kwa moja. Kazi inayofanywa ni sawa katika hali zote mbili.
Step 1: Tafuta jumla ya saa za kazi zinazohitajika kukamilisha kazi. Jumla ya saa za kazi = Idadi ya wanaume Saa kwa siku Idadi ya siku
Step 2: Tumia jumla ya saa za kazi kupata idadi ya siku kwa hali ya pili. Tunajua kwamba wanaume 40 wanafanya kazi saa 7 kwa siku. Acha iwe idadi ya siku zinazohitajika.
Step 3: Tatua kwa . Gawanya pande zote mbili kwa 280.
Itachukua wanaume 40 wanaofanya kazi saa 7 kwa siku siku 15 kukamilisha kazi hiyo hiyo.
The final answer is .
Tuma swali linalofuata 📸
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Huu ni mfumo wa uwiano usio wa moja kwa moja. Kazi inayofanywa ni sawa katika hali zote mbili.
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.