Three business partners, Kosgei, Kimani and Atieno contributed Ksh 1,750,000 towards an investment. Kosgei contributed 20% of the money. Kimani and Atieno contributed the remainder in the ratio 3:5 respective

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Three business partners, Kosgei, Kimani and Atieno contributed Ksh 1,750,000 towards an investment. Kosgei contributed 20% of the money. Kimani and Atieno contributed the remainder in the ratio 3:5 respectively.

1.
• Calculate the amount of money Kimani contributed. (2 marks)
• Find the ratio of the contributions by the three partners. (2 marks)
2. The money earned a compound interest at a rate of 8% per annum. After 3 years, the  partners withdrew the interest and donated 10% to a charitable organisation. The partners then shared the remainder in the ratio of their contributions.
Calculate the amount of money, to the nearest shilling, that each partner received.

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1. Ko :  Ki : At
0.2: 0.3: 0.5
Ki = 30 % of 1,750,000
=Ksh. 525,000

2:3:5
2. A =PRnwhere R = 1+r
=1750000(1.083)
=2204496
Shared amount=90% × 2204496
=1984046.4
Kosgei=0.2 ×1984046.4
=Ksh. 396809
Kimani=0.3 ×1984046.4
=Ksh. 595214
Atieno=0.5 x1984046.4
=Ksh. 992023