in the first four examinations each of 100 marks, Mohan got 94, 73, 72 and 84 marks. If a final average greater than or equal to 80 and less than 90 is needed to obtain a final grade B in a course, than what range of marks in the fifth (last) examination will result, if Mohan receiving grade B in the course?

in the first four examinations each of 100 marks, Mohan got 94, 73, 72 and 84 marks. If a final average greater than or equal to 80 and less than 90 is needed to obtain a final grade B in a course, than what range of marks in the fifth (last) examination will result, if Mohan receiving grade B in the course?

Match the items on the right to the items on the left.

step 1

step 2

step 3

step 4

step 5