a teacher has a choice of two investment plans: an insured fund that has paid an average of 11% interest per year, or a riskier investment that has averaged a 13%return. If the same amount invested at the higher rate would generate an extra $150 per year, how much does the teacher have to invest?
My teacher says i have to do this in a I=PRT chart.. and i don't know what to do. please help. thank you.
My teacher says i have to do this in a I=PRT chart.. and i don't know what to do. please help. thank you.