A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?

remaining 5 tests total 341 points

6 tests with avg 60 = 360

only needs 19 more points.

That doesn't sound right. If he needs an average of 60 on 7 tests, but one is dropped, does he need an average of 60 on the remaining 6? If so, he's home free. 5 of the first 6 tests had a score of over 60.

Or, does he need a total of 420 points over the 6 exams counted? That means an average of 70. In that case, he needs 79 on the 7th exam.

Poorly worded question.

To determine the grade Adam needs to pass the course, we need to consider the average of the best 6 exam grades and the grade he needs to achieve after dropping his lowest grade.

Step 1: Calculate the sum of his first 6 exam grades.
46 + 74 + 70 + 59 + 66 + 72 = 387

Step 2: Find the average of the first 6 exam grades.
387 / 6 = 64.5

Step 3: Determine the total score Adam needs to pass the course.
To find the total score needed, we multiply the desired average (60) by the total number of exams (7).
60 * 7 = 420

Step 4: Determine the score Adam needs on his 7th exam.
To find the score he needs on his last exam, subtract the sum of his first 6 exam grades from the total score needed.
420 - 387 = 33

Therefore, Adam needs to receive a grade of at least 33 on his last exam in order to pass the course.