Saira invested 1000. part of 8% per annum and the remainder at 9% per annum. after one year, her total…
Saira invested 1000. part of 8% per annum and the remainder at 9% per annum. after one year, her total interest from these investments was $84. How much did she invest at each rate
Ответ:
88%=17600
1%=17600/88
12%= 17600/88 × 12 = 2400
Original price = 17600+2400=20000