Question

Brenda's scores on the first three of four 100-point science tests were 95, 92, and 89. What score does she need on her fourth science test to ensure an average score of at least 93?

Answer 1

a

Explanation:

Greater than or equal to 96

Answer 2

96 or better

Explanation:

Brenda has scored relative to her desired average +2, -1, and -4 points, or a total of -3 points. To ensure her average is 93, she must score at least 3 points above her desired average: 96 or better.