1. A professor has RM 15000 to invest for one year, some are 8% and the rest are at 7% annual interest. If she will earn RM 1100 from these investments, how much did she invest at each rate? (4 marks)

Question

1. 	A professor has RM 15000 to invest for one year, some are 8% and the rest are at 7% 	annual interest. If she will earn RM 1100 from these investments, how much did she 	invest at each rate?        						            (4 marks)

Steve · Answer

x+y = 15000 .08x + .07y = 1100 Now just solve for x at 8% and y at 7%