kthfrkg66n kthfrkg66n 24-02-2021 Mathematics contestada MsDaily can grade 54 essays in 6 hours. Which of the following rates represent the number of essays per hour ms. Daley can grade?A-19 of an essay B-one essay can be graded in 9 hours C-it takes 9 hours per essay to grade D- 9 essays can be graded per hour