Explain It: Suppose Krishan's teacher says that he can drop one of his test scores. Using his test scores of 80, 100, and 85, 1. Which one should he drop? 2. Why? 3. What is his new average? (You need THREE answers.)

1. 80

2. It is the lowest grade and will bring his average grade lower.

3. 92.5

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed