Workmen used 5/8 of a pallet of pavers to build some steps leading up to the mansion. They used 1/8 of a pallet for each step. How many steps did they build?

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%)