Posted by evian on Wednesday, June 18, 2014 at 10:44pm.
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)

algebra  Steve, Thursday, June 19, 2014 at 12:11am
x+y = 15000
.08x + .07y = 1100
Now just solve for x at 8% and y at 7%