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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Answer
2.745%
Huu hapa ni utatuzi wa swali la 10.
Swali la 10: Mrs. Jessica anataka kununua televisheni ya flat screen kwa mkopo. Bei ya pesa taslimu ni Ksh. 28,000. Anaweza kulipa bei ya pesa taslimu au kulipa malipo ya awali ya Ksh. 8,000 na awamu 15 za kila mwezi za Ksh. 2,000 kila moja. Kokotoa kiwango cha riba ya kiwanja kwa mwezi.
Step 1: Kokotoa kiasi cha mkopo. Bei ya pesa taslimu ni Ksh. 28,000. Malipo ya awali ni Ksh. 8,000. Kiasi cha mkopo ni bei ya pesa taslimu ukitoa malipo ya awali.
Step 2: Kokotoa jumla ya kiasi kilicholipwa kwa awamu. Kuna awamu 15 za kila mwezi, na kila awamu ni Ksh. 2,000.
Step 3: Tumia fomula ya riba ya kiwanja. Tunatumia fomula ya riba ya kiwanja kwa malipo ya awamu, ambapo ni jumla ya kiasi kilicholipwa, ni kiasi cha mkopo, ni kiwango cha riba kwa mwezi, na ni idadi ya awamu. Tunajua , , na . Tunahitaji kutafuta .
Step 4: Tatua kwa . Gawanya pande zote mbili kwa 20,000: Chukua mzizi wa 15 wa pande zote mbili: Toa 1 kutoka pande zote mbili: Ili kupata asilimia, zidisha kwa 100:
Kiwango cha riba ya kiwanja kwa mwezi ni takriban 2.745%.
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Huu hapa ni utatuzi wa swali la 10. Swali la 10: Mrs.
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.