A store pays $189.71 for a pet giraffe. The store marks up the price by 5%.
What is the amount of mark up? Round your answer to the nearest
hundredth.

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%)