Chris has made the following grades on five math test.
90,74,86,75,94
What score must Chris earn on the next math test to have a test average of exactly 85?
85 * 6 = 510
The sum of his tests so far is 419.
510 - 419 = ?
90,74,86,75,94
What score must Chris earn on the next math test to have a test average of exactly 85?
The sum of his tests so far is 419.
510 - 419 = ?