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1. Divide 1550 into two parts such that if one part is lent out at 15% p.a. and the other at 24% per annum, the total yearly income is 300.EF 12nfor 2 varrot 01 |
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Answer» Let ONE part be a and the other be 1550-a. the ANNUAL income means the TOTAL simple interest of both parts. SI = PTR/ 100 equation 1, SI = a*1*15/100 SI = 15a/100 equation 2, SI = (1550-a)*1*24/100 SI = (1550-a)*24/100 SI = (37200-24a)/100 adding equation 1 and 2, annual income = 15a/100 + (37200-24a)/100 300= (15a+37200-24a)/100 300*100= 37200-9a 30000= 37200-9a 9a = 37200-30000 9a = 7200 a = 7200/9 a = 800 therefore one part is 800 and the other is 750 (1550-800). EXPLANATION:Hope it helpsPls mark as branliest |
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