A police officer walked into a room full of suspects and turn out their pockets. The chart below shows the number of coins each man had.

The police claim the man with the amount of money closest to the arithmetic mean of the group is guilty. Who is it?

This semester, Mary had five quizzes that were each worth 10% of her grade. She scored 89, 74, 84, 92, and 90 on those five quizzes. Mary also scored a 92 on her midterm that was worth 25% of her grade, and a 91 on her final that was also worth 25% of her class grade. What was Mary's final grade in the class?

If the average of 5k and 3l is equal to 50% of 6l, what is the value of k/l ?

This semester, Mary had five quizzes that were each worth 10% of her grade. She scored 89, 74, 84, 92, and 90 on those five quizzes. Mary also scored a 92 on her midterm that was worth 25% of her grade, and a 91 on her final that was also worth 25% of her class grade. What was Mary's final grade in the class?

A police officer walked into a room full of suspects and turn out their pockets. The chart below shows the number of coins each man had.

The police claim the man with the amount of money closest to the arithmetic mean of the group is guilty. Who is it?

If the average of 5k and 3l is equal to 50% of 6l, what is the value of k/l ?

If Billy has an average of over 5 tests, what is the lowest score Billy can get over the next 3 tests in order to raise his average up to ?

If Billy has an average of over 5 tests, what is the lowest score Billy can get over the next 3 tests in order to raise his average up to ?

The average for 24 students on a test is 81%. Two more students take the test, averaging 74% between the two of them. What is the total class average (to the closest hundreth) if these two students are added to the 24?

What is the average (mean) of