Solve the problem by using an inequality. See Examples 7–9.C or better. Professor Brown co...

Solve the problem by using an inequality. See Examples 7–9.

C or better. Professor Brown counts her midterm as of the grade and her final as of the grade. Wilbert scored only 56 on the midterm. If Professor Brown also uses the grading scale given in the table, then what range of scores on the final exam would give Wilbert a C or better in the course?

Table for Exercises 88