A mean of at least 60 on seven exams is needed to pass a course. On her first six exams, Eliana received grades of 50, 72, 82, 68, 58, and 62

.

1. What grade must she receive on her last exam to pass the course?

Eliana must receive a grade of

56? on her last exam to pass the course. Round to the nearest whole number.

2. An average of at least 70 is needed to get a C in the course. Determine what grade she must receive on the seventh exam to get a C in the course. The grade may exceed 100.

Eliana must receive a grade of ? on her last exam to get a C in the course. Round to the nearest whole number.

3. If her lowest grade of the exams already taken is to be dropped, what grade must she receive on her last exam to pass the course?

Eliana must receive a grade of ? on her last exam to pass the course. Round to the nearest whole number.

4. If her lowest grade of the exams already taken is to be dropped, what grade must she receive on her last exam to get a C in the course?

Eliana must receive a grade of ? on her last exam to get a C in the course. Round to the nearest whole number.