Question

A student has scores of 68, 66.25, and 71.25 on his first three tests. He needs an average of at least 70 to earn a grade of C. What is the minimum score that the student needs on the fourth test to ensure a C?​

Answer 1

Explanation:

multiply 68 by 3 and multiply 70 by 3. Now add the difference to 70 in order to get the minimum score

Answer 2

Answer:

6

Explanation:

multiply 68 by 3 and then multiply 70 by 3 now take out the diffrence of boath products which is 6