tests this year. Her mean score was
points. How many total points did she earn for the
Less than 600 but more thatn 525
How do you calculate the mean (average)?
Isnt it just
Mean = (total points of all the tests) divided by (number of tests)?
Lets work with that.
Multiply each side of that formula by (number of tests), and you have
Total points of all the tests = (Mean) times (number of tests).
In this problem, you know the mean, and you know the number of tests,
so you can easily calculate the total points.