Agroup of friends are going to a cottage for the weekend and you look at the road map to see where it is. the scale used is 1 : 250,000 the distance measures 8.5 cm on the map. what is the actual distance?

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%)