If an investor invests $23,000 into two bonds, one that pays 4% in simple interest, and the other paying

2% simple interest, and the investor earns $710.00

annual interest, how much was invested in each

account?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)